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<div class="header">
  <div class="headertitle"><div class="title">ps2controller.cpp</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">  Created by Fabrizio Di Vittorio (fdivitto2013@gmail.com) - &lt;http://www.fabgl.com&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">  Copyright (c) 2019-2022 Fabrizio Di Vittorio.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment">  All rights reserved.</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"></span> </div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment">* Please contact fdivitto2013@gmail.com if you need a commercial license.</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"></span> </div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"></span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment">* This library and related software is available under GPL v3.</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"></span> </div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment">  FabGL is free software: you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment">  it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment">  the Free Software Foundation, either version 3 of the License, or</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment">  (at your option) any later version.</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"></span> </div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment">  FabGL is distributed in the hope that it will be useful,</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">  but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment">  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment">  GNU General Public License for more details.</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"></span> </div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment">  You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">  along with FabGL.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> */</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &lt;strings.h&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="preprocessor">#include &quot;freertos/FreeRTOS.h&quot;</span></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span> </div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#include &quot;esp32/ulp.h&quot;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="preprocessor">#include &quot;driver/rtc_io.h&quot;</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &quot;soc/sens_reg.h&quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#if __has_include(&quot;soc/rtc_io_periph.h&quot;</span>)</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="preprocessor">  #include &quot;soc/rtc_io_periph.h&quot;</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &quot;esp_log.h&quot;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span> </div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &quot;<a class="code" href="ps2controller_8h.html">ps2controller.h</a>&quot;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="preprocessor">#include &quot;<a class="code" href="fabutils_8h.html">fabutils.h</a>&quot;</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#include &quot;ulp_macro_ex.h&quot;</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="preprocessor">#include &quot;<a class="code" href="keyboard_8h.html">devdrivers/keyboard.h</a>&quot;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="preprocessor">#include &quot;<a class="code" href="mouse_8h.html">devdrivers/mouse.h</a>&quot;</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span> </div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span> </div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="preprocessor">#pragma GCC optimize (&quot;O2&quot;</span>)</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="preprocessor">#pragma GCC diagnostic ignored &quot;-Wmissing-field-initializers&quot;</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span> </div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="keyword">namespace </span>fabgl {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span> </div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span> </div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span> </div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment">// placeholders</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="preprocessor">#define OPCODE_PLACEHOLDER             12 </span><span class="comment">// 12 is an unused ULP opcode we can use as placeholder</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="preprocessor">#define SUB_OPCODE_DAT_ENABLE_OUTPUT    0</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="preprocessor">#define SUB_OPCODE_DAT_ENABLE_INPUT     1</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="preprocessor">#define SUB_OPCODE_CLK_ENABLE_OUTPUT    2</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="preprocessor">#define SUB_OPCODE_CLK_ENABLE_INPUT     3</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="preprocessor">#define SUB_OPCODE_READ_CLK             4</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="preprocessor">#define SUB_OPCODE_READ_DAT             5</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="preprocessor">#define SUB_OPCODE_WRITE_CLK            6</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="preprocessor">#define SUB_OPCODE_WRITE_DAT            7</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="preprocessor">#define PS2_PORT0 0</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="preprocessor">#define PS2_PORT1 1</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span> </div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="preprocessor">#define DAT_ENABLE_OUTPUT(ps2port, value) { .macro = { \</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="preprocessor">    .label      = value, \</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="preprocessor">    .unused     = ps2port, \</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="preprocessor">    .sub_opcode = SUB_OPCODE_DAT_ENABLE_OUTPUT, \</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="preprocessor">    .opcode     = OPCODE_PLACEHOLDER } }</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="preprocessor">#define DAT_ENABLE_INPUT(ps2port, value) { .macro = { \</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="preprocessor">    .label      = value, \</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="preprocessor">    .unused     = ps2port, \</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="preprocessor">    .sub_opcode = SUB_OPCODE_DAT_ENABLE_INPUT, \</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="preprocessor">    .opcode     = OPCODE_PLACEHOLDER } }</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="preprocessor">#define CLK_ENABLE_OUTPUT(ps2port, value) { .macro = { \</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="preprocessor">    .label      = value, \</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="preprocessor">    .unused     = ps2port, \</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="preprocessor">    .sub_opcode = SUB_OPCODE_CLK_ENABLE_OUTPUT, \</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="preprocessor">    .opcode     = OPCODE_PLACEHOLDER } }</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="preprocessor">#define CLK_ENABLE_INPUT(ps2port, value) { .macro = { \</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="preprocessor">    .label      = value, \</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="preprocessor">    .unused     = ps2port, \</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="preprocessor">    .sub_opcode = SUB_OPCODE_CLK_ENABLE_INPUT, \</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="preprocessor">    .opcode     = OPCODE_PLACEHOLDER } }</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span> </div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment">// equivalent to rtc_gpio_get_level()</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="preprocessor">#define READ_CLK(ps2port) { .macro = { \</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="preprocessor">    .label      = 0, \</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="preprocessor">    .unused     = ps2port, \</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="preprocessor">    .sub_opcode = SUB_OPCODE_READ_CLK, \</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="preprocessor">    .opcode     = OPCODE_PLACEHOLDER } }</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment">// equivalent to rtc_gpio_get_level()</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="preprocessor">#define READ_DAT(ps2port) { .macro = { \</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="preprocessor">    .label      = 0, \</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="preprocessor">    .unused     = ps2port, \</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="preprocessor">    .sub_opcode = SUB_OPCODE_READ_DAT, \</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="preprocessor">    .opcode     = OPCODE_PLACEHOLDER } }</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment">// equivalent to rtc_gpio_set_level()</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="preprocessor">#define WRITE_CLK(ps2port, value) { .macro = { \</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="preprocessor">    .label      = value, \</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="preprocessor">    .unused     = ps2port, \</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="preprocessor">    .sub_opcode = SUB_OPCODE_WRITE_CLK, \</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="preprocessor">    .opcode     = OPCODE_PLACEHOLDER } }</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span> </div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment">// equivalent to rtc_gpio_set_level()</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="preprocessor">#define WRITE_DAT(ps2port, value) { .macro = { \</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="preprocessor">    .label      = value, \</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="preprocessor">    .unused     = ps2port, \</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="preprocessor">    .sub_opcode = SUB_OPCODE_WRITE_DAT, \</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="preprocessor">    .opcode     = OPCODE_PLACEHOLDER } }</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span> </div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span> </div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment">// macro instructions</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span> </div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment">// equivalent to rtc_gpio_set_direction(..., RTC_GPIO_MODE_INPUT_ONLY)</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="preprocessor">#define CONFIGURE_DAT_INPUT(ps2port) \</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="preprocessor">    DAT_ENABLE_OUTPUT(ps2port, 0), \</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="preprocessor">    DAT_ENABLE_INPUT(ps2port, 1)</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment">// equivalent to rtc_gpio_set_direction(..., RTC_GPIO_MODE_OUTPUT_ONLY)</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="preprocessor">#define CONFIGURE_DAT_OUTPUT(ps2port) \</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="preprocessor">    DAT_ENABLE_OUTPUT(ps2port, 1), \</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="preprocessor">    DAT_ENABLE_INPUT(ps2port, 0)</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment">// equivalent to rtc_gpio_set_direction(..., RTC_GPIO_MODE_INPUT_ONLY)</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="preprocessor">#define CONFIGURE_CLK_INPUT(ps2port) \</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="preprocessor">    CLK_ENABLE_OUTPUT(ps2port, 0), \</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="preprocessor">    CLK_ENABLE_INPUT(ps2port, 1)</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span> </div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment">// equivalent to rtc_gpio_set_direction(..., RTC_GPIO_MODE_OUTPUT_ONLY)</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="preprocessor">#define CONFIGURE_CLK_OUTPUT(ps2port) \</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="preprocessor">    CLK_ENABLE_OUTPUT(ps2port, 1), \</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno">  148</span><span class="preprocessor">    CLK_ENABLE_INPUT(ps2port, 0)</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="comment">// equivalent to rtc_gpio_set_level()</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="comment">// WRITE bit 0 of R0</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="preprocessor">#define WRITE_DAT_R0(ps2port) \</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span><span class="preprocessor">    I_BL(3, 1), \</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="preprocessor">    WRITE_DAT(ps2port, 1), \</span></div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="preprocessor">    I_BGE(2, 1), \</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="preprocessor">    WRITE_DAT(ps2port, 0)</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span> </div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">// performs [addr] = value</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">// changes: R0, R1</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="preprocessor">#define MEM_WRITEI(addr, value) \</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="preprocessor">    I_MOVI(R0, addr), \</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="preprocessor">    I_MOVI(R1, value), \</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span><span class="preprocessor">    I_ST(R1, R0, 0)</span></div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">// performs [[addr]] = value</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">// changes: R0, R1</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="preprocessor">#define MEM_INDWRITEI(addr, value) \</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="preprocessor">    I_MOVI(R0, addr), \</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="preprocessor">    I_LD(R0, R0, 0), \</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="preprocessor">    I_MOVI(R1, value), \</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="preprocessor">    I_ST(R1, R0, 0)</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span> </div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="comment">// performs [addr] = reg  (reg cannot be R0)</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="comment">// changes R0</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span><span class="preprocessor">#define MEM_WRITER(addr, reg) \</span></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span><span class="preprocessor">    I_MOVI(R0, addr), \</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="preprocessor">    I_ST(reg, R0, 0)</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span> </div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="comment">// performs [[addr]] = reg  (reg cannot be R0)</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="comment">// changes R0</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="preprocessor">#define MEM_INDWRITER(addr, reg) \</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="preprocessor">    I_MOVI(R0, addr), \</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="preprocessor">    I_LD(R0, R0, 0), \</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span><span class="preprocessor">    I_ST(reg, R0, 0)</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment">// performs reg = [addr]</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="preprocessor">#define MEM_READR(reg, addr) \</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="preprocessor">    I_MOVI(reg, addr), \</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="preprocessor">    I_LD(reg, reg, 0)</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">// performs reg = [[addr]]  (reg cannot be R0)</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="preprocessor">#define MEM_INDREADR(reg, addr) \</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="preprocessor">    I_MOVI(reg, addr), \</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="preprocessor">    I_LD(reg, reg, 0), \</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span><span class="preprocessor">    I_LD(reg, reg, 0)</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span><span class="comment">// performs [addr] = [addr] + 1</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span><span class="comment">// changes: R0, R1</span></div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="preprocessor">#define MEM_INC(addr) \</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="preprocessor">    I_MOVI(R0, addr),   \</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="preprocessor">    I_LD(R1, R0, 0),    \</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="preprocessor">    I_ADDI(R1, R1, 1),  \</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="preprocessor">    I_ST(R1, R0, 0)</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span> </div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">// jump to &quot;label&quot; if [addr] &lt; value</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">// changes: R0</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="preprocessor">#define MEM_BL(label, addr, value) \</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="preprocessor">    I_MOVI(R0, addr), \</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="preprocessor">    I_LD(R0, R0, 0), \</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="preprocessor">    M_BL(label, value)</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span> </div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment">// jump to &quot;label&quot; if [addr] &gt;= value</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment">// changes: R0</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="preprocessor">#define MEM_BGE(label, addr, value) \</span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="preprocessor">    I_MOVI(R0, addr), \</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="preprocessor">    I_LD(R0, R0, 0), \</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="preprocessor">    M_BGE(label, value)</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span><span class="comment">// long jump version of M_BGE</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><span class="preprocessor">#define M_LONG_BGE(label, value) \</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="preprocessor">    I_BL(2, value), \</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="preprocessor">    M_BX(label)</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="comment">// long jump version of M_BL</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="preprocessor">#define M_LONG_BL(label, value) \</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="preprocessor">    I_BGE(2, value), \</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="preprocessor">    M_BX(label)</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span> </div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment">// long jump to &quot;label&quot; if R0 == value</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="preprocessor">#define M_LONG_BE(label, value) \</span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span><span class="preprocessor">    I_BL(3, value), \</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="preprocessor">    I_BGE(2, value + 1), \</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="preprocessor">    M_BX(label)</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="comment">// long jump to &quot;label&quot; if R0 != value</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span><span class="preprocessor">#define M_LONG_BNE(label, value) \</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="preprocessor">    I_BGE(2, value), \</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span><span class="preprocessor">    M_BX(label), \</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="preprocessor">    I_BL(2, value + 1), \</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="preprocessor">    M_BX(label)</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span> </div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="preprocessor">#define M_LONG_STAGEBLE(label_num, imm_value) \</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="preprocessor">    I_STAGEBLE(2, imm_value), \</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="preprocessor">    I_STAGEBGE(2, imm_value), \</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="preprocessor">    M_BX(label_num)</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span> </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="preprocessor">#define M_LONG_STAGEBL(label_num, imm_value) \</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="preprocessor">    I_STAGEBGE(2, imm_value), \</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span><span class="preprocessor">    M_BX(label_num)</span></div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span> </div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span><span class="preprocessor">#define M_LONG_STAGEBGE(label_num, imm_value) \</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="preprocessor">    I_STAGEBL(2, imm_value), \</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span><span class="preprocessor">    M_BX(label_num)</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span> </div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="comment">// ULP clock is 8MHz, so every cycle takes 0.125us and 1us = 8 cycles</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="preprocessor">#define M_DELAY_US(us) I_DELAY(us * 8)</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span> </div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span> </div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span> </div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="comment">// Locations inside RTC low speed memory</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span> </div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="preprocessor">#define RTCMEM_PROG_START           0x000  </span><span class="comment">// where the program begins</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="preprocessor">#define RTCMEM_VARS_START           0x200  </span><span class="comment">// where the variables begin</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span> </div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment">// commands (set by CPU, reset by ULP)</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span><span class="preprocessor">#define RTCMEM_PORT0_TX             (RTCMEM_VARS_START +  0)  </span><span class="comment">// 1 = send data to port 0</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span><span class="preprocessor">#define RTCMEM_PORT1_TX             (RTCMEM_VARS_START +  1)  </span><span class="comment">// 1 = send data to port 1</span></div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="preprocessor">#define RTCMEM_PORT0_RX_ENABLE      (RTCMEM_VARS_START +  2)  </span><span class="comment">// 1 = Request to enable RX from port 0</span></div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="preprocessor">#define RTCMEM_PORT1_RX_ENABLE      (RTCMEM_VARS_START +  3)  </span><span class="comment">// 1 = Request to enable RX from port 1</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="preprocessor">#define RTCMEM_PORT0_RX_DISABLE     (RTCMEM_VARS_START +  4)  </span><span class="comment">// 1 = Request to disable RX from port 0</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span><span class="preprocessor">#define RTCMEM_PORT1_RX_DISABLE     (RTCMEM_VARS_START +  5)  </span><span class="comment">// 1 = Request to disable RX from port 1</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment">// commands parameters (set by CPU)</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="preprocessor">#define RTCMEM_PORT0_DATAOUT        (RTCMEM_VARS_START +  6)  </span><span class="comment">// Data to send to port 0 (when RTCMEM_PORT0_TX = 1)</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="preprocessor">#define RTCMEM_PORT1_DATAOUT        (RTCMEM_VARS_START +  7)  </span><span class="comment">// Data to send to port 1 (when RTCMEM_PORT1_TX = 1)</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span> </div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment">// flags (set by ULP, reset by CPU), generate interrupt</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="preprocessor">#define RTCMEM_PORT0_RX             (RTCMEM_VARS_START +  8)  </span><span class="comment">// Data received from port 0</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="preprocessor">#define RTCMEM_PORT1_RX             (RTCMEM_VARS_START +  9)  </span><span class="comment">// Data received from port 1</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="preprocessor">#define RTCMEM_PORT0_RX_CLK_TIMEOUT (RTCMEM_VARS_START + 10)  </span><span class="comment">// RX port 0 CLK timeout</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span><span class="preprocessor">#define RTCMEM_PORT1_RX_CLK_TIMEOUT (RTCMEM_VARS_START + 11)  </span><span class="comment">// RX port 1 CLK timeout</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span><span class="comment">// flags parameters (set by ULP)</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="preprocessor">#define RTCMEM_PORT0_DATAIN         (RTCMEM_VARS_START + 12)  </span><span class="comment">// Data received from port 0 (when RTCMEM_PORT0_RX = 1)</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="preprocessor">#define RTCMEM_PORT1_DATAIN         (RTCMEM_VARS_START + 13)  </span><span class="comment">// Data received from port 1 (when RTCMEM_PORT1_RX = 1)</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span><span class="comment">// internal variables</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span><span class="preprocessor">#define RTCMEM_PORT0_RX_ENABLED     (RTCMEM_VARS_START + 14)  </span><span class="comment">// 0 = port 0 not configured for RX, 1 = port 0 configured for RX</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span><span class="preprocessor">#define RTCMEM_PORT1_RX_ENABLED     (RTCMEM_VARS_START + 15)  </span><span class="comment">// 0 = port 1 not configured for RX, 1 = port 1 configured for RX</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span> </div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="preprocessor">#define RTCMEM_LASTVAR              (RTCMEM_VARS_START + 15)</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span> </div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment">// RX maximum time between CLK cycles (reliable minimum is about 15)</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="preprocessor">#define CLK_RX_TIMEOUT_VAL 100</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment">// TX maximum time between CLK cycles</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><span class="preprocessor">#define CLK_TX_TIMEOUT_VAL 1200    </span><span class="comment">// fine tuned to work with PERIBOARD 409P</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span> </div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment">// counter (R2) re-wake value</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="preprocessor">#define WAKE_THRESHOLD     3000</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span> </div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span> </div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span><span class="comment">// check RTC memory occupation</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="preprocessor">#if RTCMEM_LASTVAR &gt;= 0x800</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="preprocessor">#error &quot;ULP program too big&quot;</span></div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span> </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="comment">// ULP program labels</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="preprocessor">#define LABEL_WAIT_COMMAND             0</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span> </div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span><span class="preprocessor">#define LABEL_RX                       1</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="preprocessor">#define LABEL_RX_NEXT                  2</span></div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span> </div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span><span class="preprocessor">#define LABEL_PORT0_ENABLE_RX          3</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span><span class="preprocessor">#define LABEL_PORT0_STOP_RX            4</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span><span class="preprocessor">#define LABEL_PORT0_TX                 5</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span><span class="preprocessor">#define LABEL_PORT0_TX_NEXT_BIT        6</span></div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="preprocessor">#define LABEL_PORT0_TX_WAIT_CLK_HIGH   7</span></div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span><span class="preprocessor">#define LABEL_PORT0_TX_EXIT            8</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span><span class="preprocessor">#define LABEL_PORT0_RX_WAIT_LOOP       9</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span><span class="preprocessor">#define LABEL_PORT0_RX_CLK_IS_HIGH    10</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span><span class="preprocessor">#define LABEL_PORT0_RX_CLK_IS_LOW     11</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span><span class="preprocessor">#define LABEL_PORT0_RX_CLK_TIMEOUT    12</span></div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="preprocessor">#define LABEL_PORT0_RX_CHECK_CLK      13</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span> </div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="preprocessor">#define LABEL_PORT1_ENABLE_RX         14</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span><span class="preprocessor">#define LABEL_PORT1_STOP_RX           15</span></div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span><span class="preprocessor">#define LABEL_PORT1_TX                16</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span><span class="preprocessor">#define LABEL_PORT1_TX_NEXT_BIT       17</span></div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="preprocessor">#define LABEL_PORT1_TX_WAIT_CLK_HIGH  18</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span><span class="preprocessor">#define LABEL_PORT1_TX_EXIT           19</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="preprocessor">#define LABEL_PORT1_RX_WAIT_LOOP      20</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span><span class="preprocessor">#define LABEL_PORT1_RX_CLK_IS_HIGH    21</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span><span class="preprocessor">#define LABEL_PORT1_RX_CLK_IS_LOW     22</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="preprocessor">#define LABEL_PORT1_RX_CLK_TIMEOUT    23</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span><span class="preprocessor">#define LABEL_PORT1_RX_CHECK_CLK      24</span></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span> </div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span> </div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span><span class="comment">// Helpers</span></div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span> </div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span><span class="comment">// temporarily disable port 0</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span><span class="comment">// note: before disable check if it was enabled. If it wasn&#39;t enabled just exit.</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span><span class="comment">// changes: R0</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span><span class="preprocessor">#define TEMP_PORT0_DISABLE()              \</span></div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span><span class="preprocessor">  I_LD(R0, R3, RTCMEM_PORT0_RX_ENABLED),  \</span></div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span><span class="preprocessor">  I_BL(4, 1),                             \</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span><span class="preprocessor">  CONFIGURE_CLK_OUTPUT(PS2_PORT0),        \</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="preprocessor">  WRITE_CLK(PS2_PORT0, 0)</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span> </div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span><span class="comment">// temporarily enable port 0</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span><span class="comment">// note: before enable check if it was enabled. If it wasn&#39;t enabled just exit</span></div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span><span class="comment">// changes: R0</span></div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span><span class="preprocessor">#define TEMP_PORT0_ENABLE()               \</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span><span class="preprocessor">  I_LD(R0, R3, RTCMEM_PORT0_RX_ENABLED),  \</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span><span class="preprocessor">  I_BL(3, 1),                             \</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span><span class="preprocessor">  CONFIGURE_CLK_INPUT(PS2_PORT0)</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span> </div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span><span class="comment">// temporarily disable port 1</span></div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span><span class="comment">// note: before disable check if it was enabled. If it wasn&#39;t enabled just exit.</span></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span><span class="comment">// changes: R0</span></div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span><span class="preprocessor">#define TEMP_PORT1_DISABLE()              \</span></div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span><span class="preprocessor">  I_LD(R0, R3, RTCMEM_PORT1_RX_ENABLED),  \</span></div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span><span class="preprocessor">  I_BL(4, 1),                             \</span></div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="preprocessor">  CONFIGURE_CLK_OUTPUT(PS2_PORT1),        \</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span><span class="preprocessor">  WRITE_CLK(PS2_PORT1, 0)</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span> </div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span><span class="comment">// temporarily enable port 1</span></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span><span class="comment">// note: before enable check if it was enabled. If it wasn&#39;t enabled just exit</span></div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span><span class="comment">// changes: R0</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span><span class="preprocessor">#define TEMP_PORT1_ENABLE()               \</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span><span class="preprocessor">  I_LD(R0, R3, RTCMEM_PORT1_RX_ENABLED),  \</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span><span class="preprocessor">  I_BL(3, 1),                             \</span></div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span><span class="preprocessor">  CONFIGURE_CLK_INPUT(PS2_PORT1)</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span> </div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span><span class="comment">// permanently disable port 0</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="comment">// changes: R0</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="preprocessor">#define PERM_PORT0_DISABLE()              \</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="preprocessor">  I_MOVI(R0, 0),                          \</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="preprocessor">  I_ST(R0, R3, RTCMEM_PORT0_RX_ENABLED),  \</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><span class="preprocessor">  CONFIGURE_CLK_OUTPUT(PS2_PORT0),        \</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span><span class="preprocessor">  WRITE_CLK(PS2_PORT0, 0)</span></div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span> </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="comment">// permanently disable port 1</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span><span class="comment">// changes: R0</span></div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span><span class="preprocessor">#define PERM_PORT1_DISABLE()              \</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span><span class="preprocessor">  I_MOVI(R0, 0),                          \</span></div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span><span class="preprocessor">  I_ST(R0, R3, RTCMEM_PORT1_RX_ENABLED),  \</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span><span class="preprocessor">  CONFIGURE_CLK_OUTPUT(PS2_PORT1),        \</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span><span class="preprocessor">  WRITE_CLK(PS2_PORT1, 0)</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span> </div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span> </div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span><span class="comment">/*</span></div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span><span class="comment">  Notes about ULP registers usage</span></div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span><span class="comment"></span> </div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span><span class="comment">    R0:</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="comment">      General purpose temporary accumulator</span></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno">  401</span><span class="comment"></span> </div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="comment">    R1:</span></div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span><span class="comment">      General purpose temporary register</span></div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span><span class="comment"></span> </div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span><span class="comment">    R2:</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span><span class="comment">      LABEL_PORT0_TX / LABEL_PORT1_TX: Word to send. Reset to 0 on exit.</span></div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span><span class="comment">      LABEL_RX: Re-wake counter register, when port 0 or port 1 is disabled.</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span><span class="comment">                General purpose temporary register on receiving data (reset at the end or timeout).</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span><span class="comment"></span> </div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span><span class="comment">    R3:</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span><span class="comment">      Base address for variables (0x0000)</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span><span class="comment">      LABEL_PORT0_TX / LABEL_PORT1_TX: timeout counter waiting for CLK to be Low</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span><span class="comment">      LABEL_RX: timeout counter waiting for CLK changes</span></div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span><span class="comment"></span> </div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span><span class="comment">    STAGE:</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span><span class="comment">      RX, TX bit counter</span></div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span><span class="comment"></span> </div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span><span class="comment">*/</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno">  419</span> </div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span> </div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span><span class="keyword">const</span> ulp_insn_t ULP_code[] = {</div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span> </div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span>  <span class="comment">// Stop ULP timer, not necessary because this routine never ends</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span>  I_END(),</div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span> </div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span>  <span class="comment">// R3 contains just 0x0000, for entire execution, which is the base address of all variabiles load, so it is possible to do</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span>  <span class="comment">// I_LD(R#, R3, RTC_MEM_XX) instead of MEM_READR(), saving one instruction</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span>  I_MOVI(R3, 0x0000),</div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span> </div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span> </div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span>  <span class="comment">// Command wait main loop</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span> </div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span>M_LABEL(LABEL_WAIT_COMMAND),</div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span> </div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span>  <span class="comment">// port 0 TX?</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span>  I_LD(R0, R3, RTCMEM_PORT0_TX),</div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno">  438</span>  M_BGE(LABEL_PORT0_TX, 1),                               <span class="comment">// yes, jump to LABEL_PORT0_TX</span></div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span> </div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>  <span class="comment">// port 0 enable RX?</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span>  I_LD(R0, R3, RTCMEM_PORT0_RX_ENABLE),</div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span>  M_BGE(LABEL_PORT0_ENABLE_RX, 1),                        <span class="comment">// yes, jump to LABEL_PORT0_ENABLE_RX</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span> </div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span>  <span class="comment">// port 0 disable RX?</span></div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span>  I_LD(R0, R3, RTCMEM_PORT0_RX_DISABLE),</div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span>  M_BGE(LABEL_PORT0_STOP_RX, 1),                          <span class="comment">// yes, jump to LABEL_PORT0_STOP_RX</span></div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span> </div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span>  <span class="comment">// port 1 TX?</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span>  I_LD(R0, R3, RTCMEM_PORT1_TX),</div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span>  M_BGE(LABEL_PORT1_TX, 1),                               <span class="comment">// yes, jump to LABEL_PORT1_TX</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span> </div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span>  <span class="comment">// port 1 enable RX?</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno">  453</span>  I_LD(R0, R3, RTCMEM_PORT1_RX_ENABLE),</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>  M_BGE(LABEL_PORT1_ENABLE_RX, 1),                        <span class="comment">// yes, jump to LABEL_PORT1_ENABLE_RX</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span> </div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span>  <span class="comment">// port 1 disable RX?</span></div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span>  I_LD(R0, R3, RTCMEM_PORT1_RX_DISABLE),</div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span>  M_BGE(LABEL_PORT1_STOP_RX, 1),                          <span class="comment">// yes, jump to LABEL_PORT1_STOP_RX</span></div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span> </div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span>  <span class="comment">// check RX from port 0 or port 1</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span>  M_BX(LABEL_RX),</div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span> </div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span> </div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span>  <span class="comment">// LABEL_PORT0_ENABLE_RX - Configure port 0 as RX</span></div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span> </div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span>M_LABEL(LABEL_PORT0_ENABLE_RX),</div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span> </div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>  <span class="comment">// set RX flag for port 0</span></div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span>  I_MOVI(R0, 1),</div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>  I_ST(R0, R3, RTCMEM_PORT0_RX_ENABLED),                  <span class="comment">// [RTCMEM_PORT0_RX_ENABLED] = 1</span></div>
<div class="line"><a id="l00472" name="l00472"></a><span class="lineno">  472</span> </div>
<div class="line"><a id="l00473" name="l00473"></a><span class="lineno">  473</span>  <span class="comment">// Configure CLK and DAT as inputs</span></div>
<div class="line"><a id="l00474" name="l00474"></a><span class="lineno">  474</span>  CONFIGURE_CLK_INPUT(PS2_PORT0),</div>
<div class="line"><a id="l00475" name="l00475"></a><span class="lineno">  475</span>  CONFIGURE_DAT_INPUT(PS2_PORT0),</div>
<div class="line"><a id="l00476" name="l00476"></a><span class="lineno">  476</span> </div>
<div class="line"><a id="l00477" name="l00477"></a><span class="lineno">  477</span>  <span class="comment">// Reset command</span></div>
<div class="line"><a id="l00478" name="l00478"></a><span class="lineno">  478</span>  I_MOVI(R0, 0),</div>
<div class="line"><a id="l00479" name="l00479"></a><span class="lineno">  479</span>  I_ST(R0, R3, RTCMEM_PORT0_RX_ENABLE),                   <span class="comment">// [RTCMEM_PORT0_RX_ENABLE] = 0</span></div>
<div class="line"><a id="l00480" name="l00480"></a><span class="lineno">  480</span> </div>
<div class="line"><a id="l00481" name="l00481"></a><span class="lineno">  481</span>  M_BX(LABEL_RX),</div>
<div class="line"><a id="l00482" name="l00482"></a><span class="lineno">  482</span> </div>
<div class="line"><a id="l00483" name="l00483"></a><span class="lineno">  483</span> </div>
<div class="line"><a id="l00485" name="l00485"></a><span class="lineno">  485</span>  <span class="comment">// LABEL_PORT1_ENABLE_RX - Configure port 1 as RX</span></div>
<div class="line"><a id="l00486" name="l00486"></a><span class="lineno">  486</span> </div>
<div class="line"><a id="l00487" name="l00487"></a><span class="lineno">  487</span>M_LABEL(LABEL_PORT1_ENABLE_RX),</div>
<div class="line"><a id="l00488" name="l00488"></a><span class="lineno">  488</span> </div>
<div class="line"><a id="l00489" name="l00489"></a><span class="lineno">  489</span>  <span class="comment">// set RX flag for port 1</span></div>
<div class="line"><a id="l00490" name="l00490"></a><span class="lineno">  490</span>  I_MOVI(R0, 1),</div>
<div class="line"><a id="l00491" name="l00491"></a><span class="lineno">  491</span>  I_ST(R0, R3, RTCMEM_PORT1_RX_ENABLED),                  <span class="comment">// [RTCMEM_PORT1_RX_ENABLED] = 1</span></div>
<div class="line"><a id="l00492" name="l00492"></a><span class="lineno">  492</span> </div>
<div class="line"><a id="l00493" name="l00493"></a><span class="lineno">  493</span>  <span class="comment">// Configure CLK and DAT as inputs</span></div>
<div class="line"><a id="l00494" name="l00494"></a><span class="lineno">  494</span>  CONFIGURE_CLK_INPUT(PS2_PORT1),</div>
<div class="line"><a id="l00495" name="l00495"></a><span class="lineno">  495</span>  CONFIGURE_DAT_INPUT(PS2_PORT1),</div>
<div class="line"><a id="l00496" name="l00496"></a><span class="lineno">  496</span> </div>
<div class="line"><a id="l00497" name="l00497"></a><span class="lineno">  497</span>  <span class="comment">// Reset command</span></div>
<div class="line"><a id="l00498" name="l00498"></a><span class="lineno">  498</span>  I_MOVI(R0, 0),</div>
<div class="line"><a id="l00499" name="l00499"></a><span class="lineno">  499</span>  I_ST(R0, R3, RTCMEM_PORT1_RX_ENABLE),                   <span class="comment">// [RTCMEM_PORT1_RX_ENABLE] = 0</span></div>
<div class="line"><a id="l00500" name="l00500"></a><span class="lineno">  500</span> </div>
<div class="line"><a id="l00501" name="l00501"></a><span class="lineno">  501</span>  M_BX(LABEL_RX),</div>
<div class="line"><a id="l00502" name="l00502"></a><span class="lineno">  502</span> </div>
<div class="line"><a id="l00503" name="l00503"></a><span class="lineno">  503</span> </div>
<div class="line"><a id="l00505" name="l00505"></a><span class="lineno">  505</span>  <span class="comment">// LABEL_PORT0_STOP_RX - Stop port 0 RX (drive CLK low)</span></div>
<div class="line"><a id="l00506" name="l00506"></a><span class="lineno">  506</span> </div>
<div class="line"><a id="l00507" name="l00507"></a><span class="lineno">  507</span>M_LABEL(LABEL_PORT0_STOP_RX),</div>
<div class="line"><a id="l00508" name="l00508"></a><span class="lineno">  508</span> </div>
<div class="line"><a id="l00509" name="l00509"></a><span class="lineno">  509</span>  PERM_PORT0_DISABLE(),</div>
<div class="line"><a id="l00510" name="l00510"></a><span class="lineno">  510</span> </div>
<div class="line"><a id="l00511" name="l00511"></a><span class="lineno">  511</span>  <span class="comment">// Reset command</span></div>
<div class="line"><a id="l00512" name="l00512"></a><span class="lineno">  512</span>  I_MOVI(R0, 0),</div>
<div class="line"><a id="l00513" name="l00513"></a><span class="lineno">  513</span>  I_ST(R0, R3, RTCMEM_PORT0_RX_DISABLE),                 <span class="comment">// [RTCMEM_PORT0_RX_DISABLE] = 0</span></div>
<div class="line"><a id="l00514" name="l00514"></a><span class="lineno">  514</span> </div>
<div class="line"><a id="l00515" name="l00515"></a><span class="lineno">  515</span>  M_BX(LABEL_RX),</div>
<div class="line"><a id="l00516" name="l00516"></a><span class="lineno">  516</span> </div>
<div class="line"><a id="l00517" name="l00517"></a><span class="lineno">  517</span> </div>
<div class="line"><a id="l00519" name="l00519"></a><span class="lineno">  519</span>  <span class="comment">// LABEL_PORT1_STOP_RX - Stop port 1 RX (drive CLK low)</span></div>
<div class="line"><a id="l00520" name="l00520"></a><span class="lineno">  520</span> </div>
<div class="line"><a id="l00521" name="l00521"></a><span class="lineno">  521</span>M_LABEL(LABEL_PORT1_STOP_RX),</div>
<div class="line"><a id="l00522" name="l00522"></a><span class="lineno">  522</span> </div>
<div class="line"><a id="l00523" name="l00523"></a><span class="lineno">  523</span>  PERM_PORT1_DISABLE(),</div>
<div class="line"><a id="l00524" name="l00524"></a><span class="lineno">  524</span> </div>
<div class="line"><a id="l00525" name="l00525"></a><span class="lineno">  525</span>  <span class="comment">// Reset command</span></div>
<div class="line"><a id="l00526" name="l00526"></a><span class="lineno">  526</span>  I_MOVI(R0, 0),</div>
<div class="line"><a id="l00527" name="l00527"></a><span class="lineno">  527</span>  I_ST(R0, R3, RTCMEM_PORT1_RX_DISABLE),                 <span class="comment">// [RTCMEM_PORT1_RX_DISABLE] = 0</span></div>
<div class="line"><a id="l00528" name="l00528"></a><span class="lineno">  528</span> </div>
<div class="line"><a id="l00529" name="l00529"></a><span class="lineno">  529</span>  M_BX(LABEL_RX),</div>
<div class="line"><a id="l00530" name="l00530"></a><span class="lineno">  530</span> </div>
<div class="line"><a id="l00531" name="l00531"></a><span class="lineno">  531</span> </div>
<div class="line"><a id="l00533" name="l00533"></a><span class="lineno">  533</span>  <span class="comment">// LABEL_PORT0_TX - Send data</span></div>
<div class="line"><a id="l00534" name="l00534"></a><span class="lineno">  534</span>  <span class="comment">// Port 0 is automatically enabled for RX at the end</span></div>
<div class="line"><a id="l00535" name="l00535"></a><span class="lineno">  535</span> </div>
<div class="line"><a id="l00536" name="l00536"></a><span class="lineno">  536</span>M_LABEL(LABEL_PORT0_TX),</div>
<div class="line"><a id="l00537" name="l00537"></a><span class="lineno">  537</span> </div>
<div class="line"><a id="l00538" name="l00538"></a><span class="lineno">  538</span>  <span class="comment">// Send the word in RTCMEM_PORT0_DATAOUT</span></div>
<div class="line"><a id="l00539" name="l00539"></a><span class="lineno">  539</span> </div>
<div class="line"><a id="l00540" name="l00540"></a><span class="lineno">  540</span>  <span class="comment">// put in R2 the word to send (10 bits: data, parity and stop bit)</span></div>
<div class="line"><a id="l00541" name="l00541"></a><span class="lineno">  541</span>  I_LD(R2, R3, RTCMEM_PORT0_DATAOUT),                  <span class="comment">// R2 = [RTCMEM_PORT0_DATAOUT]</span></div>
<div class="line"><a id="l00542" name="l00542"></a><span class="lineno">  542</span> </div>
<div class="line"><a id="l00543" name="l00543"></a><span class="lineno">  543</span>  <span class="comment">// reset the bit counter (STAGE register: 0...7 = data0, 8 = parity, 9 = stop bit)</span></div>
<div class="line"><a id="l00544" name="l00544"></a><span class="lineno">  544</span>  I_STAGERSTI(),                                       <span class="comment">// STAGE = 0</span></div>
<div class="line"><a id="l00545" name="l00545"></a><span class="lineno">  545</span> </div>
<div class="line"><a id="l00546" name="l00546"></a><span class="lineno">  546</span>  <span class="comment">// disable port 1?</span></div>
<div class="line"><a id="l00547" name="l00547"></a><span class="lineno">  547</span>  TEMP_PORT1_DISABLE(),</div>
<div class="line"><a id="l00548" name="l00548"></a><span class="lineno">  548</span> </div>
<div class="line"><a id="l00549" name="l00549"></a><span class="lineno">  549</span>  <span class="comment">// maintain CLK and DAT low for 200us</span></div>
<div class="line"><a id="l00550" name="l00550"></a><span class="lineno">  550</span>  CONFIGURE_CLK_OUTPUT(PS2_PORT0),</div>
<div class="line"><a id="l00551" name="l00551"></a><span class="lineno">  551</span>  WRITE_CLK(PS2_PORT0, 0),</div>
<div class="line"><a id="l00552" name="l00552"></a><span class="lineno">  552</span>  M_DELAY_US(200),</div>
<div class="line"><a id="l00553" name="l00553"></a><span class="lineno">  553</span>  CONFIGURE_DAT_OUTPUT(PS2_PORT0),</div>
<div class="line"><a id="l00554" name="l00554"></a><span class="lineno">  554</span>  WRITE_DAT(PS2_PORT0, 0),</div>
<div class="line"><a id="l00555" name="l00555"></a><span class="lineno">  555</span> </div>
<div class="line"><a id="l00556" name="l00556"></a><span class="lineno">  556</span>  <span class="comment">// configure CLK as input</span></div>
<div class="line"><a id="l00557" name="l00557"></a><span class="lineno">  557</span>  CONFIGURE_CLK_INPUT(PS2_PORT0),</div>
<div class="line"><a id="l00558" name="l00558"></a><span class="lineno">  558</span> </div>
<div class="line"><a id="l00559" name="l00559"></a><span class="lineno">  559</span>M_LABEL(LABEL_PORT0_TX_NEXT_BIT),</div>
<div class="line"><a id="l00560" name="l00560"></a><span class="lineno">  560</span> </div>
<div class="line"><a id="l00561" name="l00561"></a><span class="lineno">  561</span>  <span class="comment">// wait for CLK = LOW</span></div>
<div class="line"><a id="l00562" name="l00562"></a><span class="lineno">  562</span> </div>
<div class="line"><a id="l00563" name="l00563"></a><span class="lineno">  563</span>  <span class="comment">// temporarily use R3 (which is 0) as timeout counter</span></div>
<div class="line"><a id="l00564" name="l00564"></a><span class="lineno">  564</span>  I_ADDI(R3, R3, 1),</div>
<div class="line"><a id="l00565" name="l00565"></a><span class="lineno">  565</span>  I_MOVR(R0, R3),</div>
<div class="line"><a id="l00566" name="l00566"></a><span class="lineno">  566</span>  M_BGE(LABEL_PORT0_TX_EXIT, CLK_TX_TIMEOUT_VAL),      <span class="comment">// jump to LABEL_PORT0_TX_EXIT on CLK timeout</span></div>
<div class="line"><a id="l00567" name="l00567"></a><span class="lineno">  567</span> </div>
<div class="line"><a id="l00568" name="l00568"></a><span class="lineno">  568</span>  <span class="comment">// read CLK</span></div>
<div class="line"><a id="l00569" name="l00569"></a><span class="lineno">  569</span>  READ_CLK(PS2_PORT0),                                 <span class="comment">// R0 = CLK</span></div>
<div class="line"><a id="l00570" name="l00570"></a><span class="lineno">  570</span> </div>
<div class="line"><a id="l00571" name="l00571"></a><span class="lineno">  571</span>  <span class="comment">// repeat if CLK is high</span></div>
<div class="line"><a id="l00572" name="l00572"></a><span class="lineno">  572</span>  M_BGE(LABEL_PORT0_TX_NEXT_BIT, 1),                   <span class="comment">// jump to LABEL_PORT0_TX_NEXT_BIT if R0 &gt;= 1</span></div>
<div class="line"><a id="l00573" name="l00573"></a><span class="lineno">  573</span> </div>
<div class="line"><a id="l00574" name="l00574"></a><span class="lineno">  574</span>  <span class="comment">// R3 is no more timeout counter, but variables base</span></div>
<div class="line"><a id="l00575" name="l00575"></a><span class="lineno">  575</span>  I_MOVI(R3, 0),</div>
<div class="line"><a id="l00576" name="l00576"></a><span class="lineno">  576</span> </div>
<div class="line"><a id="l00577" name="l00577"></a><span class="lineno">  577</span>  <span class="comment">// bit 10 is the ACK from keyboard, don&#39;t send anything, just bypass</span></div>
<div class="line"><a id="l00578" name="l00578"></a><span class="lineno">  578</span>  M_STAGEBGE(LABEL_PORT0_TX_WAIT_CLK_HIGH, 10),        <span class="comment">// jump to LABEL_PORT0_TX_WAIT_CLK_HIGH if STAGE &gt;= 10</span></div>
<div class="line"><a id="l00579" name="l00579"></a><span class="lineno">  579</span> </div>
<div class="line"><a id="l00580" name="l00580"></a><span class="lineno">  580</span>  <span class="comment">// CLK is LOW, we are ready to send the bit (LSB of R0)</span></div>
<div class="line"><a id="l00581" name="l00581"></a><span class="lineno">  581</span>  I_ANDI(R0, R2, 1),                                   <span class="comment">// R0 = R2 &amp; 1</span></div>
<div class="line"><a id="l00582" name="l00582"></a><span class="lineno">  582</span>  WRITE_DAT_R0(PS2_PORT0),                             <span class="comment">// DAT = LSB of R0</span></div>
<div class="line"><a id="l00583" name="l00583"></a><span class="lineno">  583</span> </div>
<div class="line"><a id="l00584" name="l00584"></a><span class="lineno">  584</span>M_LABEL(LABEL_PORT0_TX_WAIT_CLK_HIGH),</div>
<div class="line"><a id="l00585" name="l00585"></a><span class="lineno">  585</span> </div>
<div class="line"><a id="l00586" name="l00586"></a><span class="lineno">  586</span>  <span class="comment">// Wait for CLK = HIGH</span></div>
<div class="line"><a id="l00587" name="l00587"></a><span class="lineno">  587</span> </div>
<div class="line"><a id="l00588" name="l00588"></a><span class="lineno">  588</span>  <span class="comment">// read CLK</span></div>
<div class="line"><a id="l00589" name="l00589"></a><span class="lineno">  589</span>  READ_CLK(PS2_PORT0),                                 <span class="comment">// R0 = CLK</span></div>
<div class="line"><a id="l00590" name="l00590"></a><span class="lineno">  590</span> </div>
<div class="line"><a id="l00591" name="l00591"></a><span class="lineno">  591</span>  <span class="comment">// repeat if CLK is low</span></div>
<div class="line"><a id="l00592" name="l00592"></a><span class="lineno">  592</span>  M_BL(LABEL_PORT0_TX_WAIT_CLK_HIGH, 1),               <span class="comment">// jump to LABEL_PORT0_TX_WAIT_CLK_HIGH if R0 &lt; 1</span></div>
<div class="line"><a id="l00593" name="l00593"></a><span class="lineno">  593</span> </div>
<div class="line"><a id="l00594" name="l00594"></a><span class="lineno">  594</span>  <span class="comment">// shift the sending word 1 bit to the right (prepare next bit to send)</span></div>
<div class="line"><a id="l00595" name="l00595"></a><span class="lineno">  595</span>  I_RSHI(R2, R2, 1),                                   <span class="comment">// R2 = R2 &gt;&gt; 1</span></div>
<div class="line"><a id="l00596" name="l00596"></a><span class="lineno">  596</span> </div>
<div class="line"><a id="l00597" name="l00597"></a><span class="lineno">  597</span>  <span class="comment">// increment bit count</span></div>
<div class="line"><a id="l00598" name="l00598"></a><span class="lineno">  598</span>  I_STAGEINCI(1),                                      <span class="comment">// STAGE = STAGE + 1</span></div>
<div class="line"><a id="l00599" name="l00599"></a><span class="lineno">  599</span> </div>
<div class="line"><a id="l00600" name="l00600"></a><span class="lineno">  600</span>  <span class="comment">// end of word? if not send then another bit</span></div>
<div class="line"><a id="l00601" name="l00601"></a><span class="lineno">  601</span>  M_STAGEBL(LABEL_PORT0_TX_NEXT_BIT, 11),              <span class="comment">// jump to LABEL_PORT0_TX_NEXT_BIT if STAGE &lt; 11</span></div>
<div class="line"><a id="l00602" name="l00602"></a><span class="lineno">  602</span> </div>
<div class="line"><a id="l00603" name="l00603"></a><span class="lineno">  603</span>M_LABEL(LABEL_PORT0_TX_EXIT),</div>
<div class="line"><a id="l00604" name="l00604"></a><span class="lineno">  604</span> </div>
<div class="line"><a id="l00605" name="l00605"></a><span class="lineno">  605</span>  <span class="comment">// R3 is no more timeout counter, but variables base</span></div>
<div class="line"><a id="l00606" name="l00606"></a><span class="lineno">  606</span>  I_MOVI(R3, 0),</div>
<div class="line"><a id="l00607" name="l00607"></a><span class="lineno">  607</span> </div>
<div class="line"><a id="l00608" name="l00608"></a><span class="lineno">  608</span>  <span class="comment">// back to RX mode</span></div>
<div class="line"><a id="l00609" name="l00609"></a><span class="lineno">  609</span>  CONFIGURE_DAT_INPUT(PS2_PORT0),</div>
<div class="line"><a id="l00610" name="l00610"></a><span class="lineno">  610</span>  I_MOVI(R0, 1),</div>
<div class="line"><a id="l00611" name="l00611"></a><span class="lineno">  611</span>  I_ST(R0, R3, RTCMEM_PORT0_RX_ENABLED),               <span class="comment">// [RTCMEM_PORT0_RX_ENABLED] = 1</span></div>
<div class="line"><a id="l00612" name="l00612"></a><span class="lineno">  612</span> </div>
<div class="line"><a id="l00613" name="l00613"></a><span class="lineno">  613</span>  <span class="comment">// reset command field</span></div>
<div class="line"><a id="l00614" name="l00614"></a><span class="lineno">  614</span>  I_MOVI(R0, 0),</div>
<div class="line"><a id="l00615" name="l00615"></a><span class="lineno">  615</span>  I_ST(R0, R3, RTCMEM_PORT0_TX),                       <span class="comment">// [RTCMEM_PORT0_TX] = 0</span></div>
<div class="line"><a id="l00616" name="l00616"></a><span class="lineno">  616</span> </div>
<div class="line"><a id="l00617" name="l00617"></a><span class="lineno">  617</span>  <span class="comment">// re-enable port 1?</span></div>
<div class="line"><a id="l00618" name="l00618"></a><span class="lineno">  618</span>  TEMP_PORT1_ENABLE(),</div>
<div class="line"><a id="l00619" name="l00619"></a><span class="lineno">  619</span> </div>
<div class="line"><a id="l00620" name="l00620"></a><span class="lineno">  620</span>  <span class="comment">// from now R2 is used as CPU re-wake timeout</span></div>
<div class="line"><a id="l00621" name="l00621"></a><span class="lineno">  621</span>  I_MOVI(R2, 0),</div>
<div class="line"><a id="l00622" name="l00622"></a><span class="lineno">  622</span> </div>
<div class="line"><a id="l00623" name="l00623"></a><span class="lineno">  623</span>  <span class="comment">// go to command loop</span></div>
<div class="line"><a id="l00624" name="l00624"></a><span class="lineno">  624</span>  M_BX(LABEL_RX),</div>
<div class="line"><a id="l00625" name="l00625"></a><span class="lineno">  625</span> </div>
<div class="line"><a id="l00626" name="l00626"></a><span class="lineno">  626</span> </div>
<div class="line"><a id="l00628" name="l00628"></a><span class="lineno">  628</span>  <span class="comment">// LABEL_PORT1_TX - Send data</span></div>
<div class="line"><a id="l00629" name="l00629"></a><span class="lineno">  629</span>  <span class="comment">// Port 1 is automatically enabled for RX at the end</span></div>
<div class="line"><a id="l00630" name="l00630"></a><span class="lineno">  630</span> </div>
<div class="line"><a id="l00631" name="l00631"></a><span class="lineno">  631</span>M_LABEL(LABEL_PORT1_TX),</div>
<div class="line"><a id="l00632" name="l00632"></a><span class="lineno">  632</span> </div>
<div class="line"><a id="l00633" name="l00633"></a><span class="lineno">  633</span>  <span class="comment">// Send the word in RTCMEM_PORT1_DATAOUT</span></div>
<div class="line"><a id="l00634" name="l00634"></a><span class="lineno">  634</span> </div>
<div class="line"><a id="l00635" name="l00635"></a><span class="lineno">  635</span>  <span class="comment">// put in R2 the word to send (10 bits: data, parity and stop bit)</span></div>
<div class="line"><a id="l00636" name="l00636"></a><span class="lineno">  636</span>  I_LD(R2, R3, RTCMEM_PORT1_DATAOUT),                  <span class="comment">// R2 = [RTCMEM_PORT1_DATAOUT]</span></div>
<div class="line"><a id="l00637" name="l00637"></a><span class="lineno">  637</span> </div>
<div class="line"><a id="l00638" name="l00638"></a><span class="lineno">  638</span>  <span class="comment">// reset the bit counter (STAGE register: 0...7 = data0, 8 = parity, 9 = stop bit)</span></div>
<div class="line"><a id="l00639" name="l00639"></a><span class="lineno">  639</span>  I_STAGERSTI(),                                       <span class="comment">// STAGE = 0</span></div>
<div class="line"><a id="l00640" name="l00640"></a><span class="lineno">  640</span> </div>
<div class="line"><a id="l00641" name="l00641"></a><span class="lineno">  641</span>  <span class="comment">// disable port 0?</span></div>
<div class="line"><a id="l00642" name="l00642"></a><span class="lineno">  642</span>  TEMP_PORT0_DISABLE(),</div>
<div class="line"><a id="l00643" name="l00643"></a><span class="lineno">  643</span> </div>
<div class="line"><a id="l00644" name="l00644"></a><span class="lineno">  644</span>  <span class="comment">// maintain CLK and DAT low for 200us</span></div>
<div class="line"><a id="l00645" name="l00645"></a><span class="lineno">  645</span>  CONFIGURE_CLK_OUTPUT(PS2_PORT1),</div>
<div class="line"><a id="l00646" name="l00646"></a><span class="lineno">  646</span>  WRITE_CLK(PS2_PORT1, 0),</div>
<div class="line"><a id="l00647" name="l00647"></a><span class="lineno">  647</span>  M_DELAY_US(200),</div>
<div class="line"><a id="l00648" name="l00648"></a><span class="lineno">  648</span>  CONFIGURE_DAT_OUTPUT(PS2_PORT1),</div>
<div class="line"><a id="l00649" name="l00649"></a><span class="lineno">  649</span>  WRITE_DAT(PS2_PORT1, 0),</div>
<div class="line"><a id="l00650" name="l00650"></a><span class="lineno">  650</span> </div>
<div class="line"><a id="l00651" name="l00651"></a><span class="lineno">  651</span>  <span class="comment">// configure CLK as input</span></div>
<div class="line"><a id="l00652" name="l00652"></a><span class="lineno">  652</span>  CONFIGURE_CLK_INPUT(PS2_PORT1),</div>
<div class="line"><a id="l00653" name="l00653"></a><span class="lineno">  653</span> </div>
<div class="line"><a id="l00654" name="l00654"></a><span class="lineno">  654</span>M_LABEL(LABEL_PORT1_TX_NEXT_BIT),</div>
<div class="line"><a id="l00655" name="l00655"></a><span class="lineno">  655</span> </div>
<div class="line"><a id="l00656" name="l00656"></a><span class="lineno">  656</span>  <span class="comment">// wait for CLK = LOW</span></div>
<div class="line"><a id="l00657" name="l00657"></a><span class="lineno">  657</span> </div>
<div class="line"><a id="l00658" name="l00658"></a><span class="lineno">  658</span>  <span class="comment">// temporarily use R3 (which is 0) as timeout counter</span></div>
<div class="line"><a id="l00659" name="l00659"></a><span class="lineno">  659</span>  I_ADDI(R3, R3, 1),</div>
<div class="line"><a id="l00660" name="l00660"></a><span class="lineno">  660</span>  I_MOVR(R0, R3),</div>
<div class="line"><a id="l00661" name="l00661"></a><span class="lineno">  661</span>  M_BGE(LABEL_PORT1_TX_EXIT, CLK_TX_TIMEOUT_VAL),      <span class="comment">// jump to LABEL_PORT1_TX_EXIT on CLK timeout</span></div>
<div class="line"><a id="l00662" name="l00662"></a><span class="lineno">  662</span> </div>
<div class="line"><a id="l00663" name="l00663"></a><span class="lineno">  663</span>  <span class="comment">// read CLK</span></div>
<div class="line"><a id="l00664" name="l00664"></a><span class="lineno">  664</span>  READ_CLK(PS2_PORT1),                                 <span class="comment">// R0 = CLK</span></div>
<div class="line"><a id="l00665" name="l00665"></a><span class="lineno">  665</span> </div>
<div class="line"><a id="l00666" name="l00666"></a><span class="lineno">  666</span>  <span class="comment">// repeat if CLK is high</span></div>
<div class="line"><a id="l00667" name="l00667"></a><span class="lineno">  667</span>  M_BGE(LABEL_PORT1_TX_NEXT_BIT, 1),                   <span class="comment">// jump to LABEL_PORT1_TX_NEXT_BIT if R0 &gt;= 1</span></div>
<div class="line"><a id="l00668" name="l00668"></a><span class="lineno">  668</span> </div>
<div class="line"><a id="l00669" name="l00669"></a><span class="lineno">  669</span>  <span class="comment">// R3 is no more timeout counter, but variables base</span></div>
<div class="line"><a id="l00670" name="l00670"></a><span class="lineno">  670</span>  I_MOVI(R3, 0),</div>
<div class="line"><a id="l00671" name="l00671"></a><span class="lineno">  671</span> </div>
<div class="line"><a id="l00672" name="l00672"></a><span class="lineno">  672</span>  <span class="comment">// bit 10 is the ACK from keyboard, don&#39;t send anything, just bypass</span></div>
<div class="line"><a id="l00673" name="l00673"></a><span class="lineno">  673</span>  M_STAGEBGE(LABEL_PORT1_TX_WAIT_CLK_HIGH, 10),        <span class="comment">// jump to LABEL_PORT1_TX_WAIT_CLK_HIGH if STAGE &gt;= 10</span></div>
<div class="line"><a id="l00674" name="l00674"></a><span class="lineno">  674</span> </div>
<div class="line"><a id="l00675" name="l00675"></a><span class="lineno">  675</span>  <span class="comment">// CLK is LOW, we are ready to send the bit (LSB of R0)</span></div>
<div class="line"><a id="l00676" name="l00676"></a><span class="lineno">  676</span>  I_ANDI(R0, R2, 1),                                   <span class="comment">// R0 = R2 &amp; 1</span></div>
<div class="line"><a id="l00677" name="l00677"></a><span class="lineno">  677</span>  WRITE_DAT_R0(PS2_PORT1),                             <span class="comment">// DAT = LSB of R0</span></div>
<div class="line"><a id="l00678" name="l00678"></a><span class="lineno">  678</span> </div>
<div class="line"><a id="l00679" name="l00679"></a><span class="lineno">  679</span>M_LABEL(LABEL_PORT1_TX_WAIT_CLK_HIGH),</div>
<div class="line"><a id="l00680" name="l00680"></a><span class="lineno">  680</span> </div>
<div class="line"><a id="l00681" name="l00681"></a><span class="lineno">  681</span>  <span class="comment">// Wait for CLK = HIGH</span></div>
<div class="line"><a id="l00682" name="l00682"></a><span class="lineno">  682</span> </div>
<div class="line"><a id="l00683" name="l00683"></a><span class="lineno">  683</span>  <span class="comment">// read CLK</span></div>
<div class="line"><a id="l00684" name="l00684"></a><span class="lineno">  684</span>  READ_CLK(PS2_PORT1),                                 <span class="comment">// R0 = CLK</span></div>
<div class="line"><a id="l00685" name="l00685"></a><span class="lineno">  685</span> </div>
<div class="line"><a id="l00686" name="l00686"></a><span class="lineno">  686</span>  <span class="comment">// repeat if CLK is low</span></div>
<div class="line"><a id="l00687" name="l00687"></a><span class="lineno">  687</span>  M_BL(LABEL_PORT1_TX_WAIT_CLK_HIGH, 1),               <span class="comment">// jump to LABEL_PORT1_TX_WAIT_CLK_HIGH if R0 &lt; 1</span></div>
<div class="line"><a id="l00688" name="l00688"></a><span class="lineno">  688</span> </div>
<div class="line"><a id="l00689" name="l00689"></a><span class="lineno">  689</span>  <span class="comment">// shift the sending word 1 bit to the right (prepare next bit to send)</span></div>
<div class="line"><a id="l00690" name="l00690"></a><span class="lineno">  690</span>  I_RSHI(R2, R2, 1),                                   <span class="comment">// R2 = R2 &gt;&gt; 1</span></div>
<div class="line"><a id="l00691" name="l00691"></a><span class="lineno">  691</span> </div>
<div class="line"><a id="l00692" name="l00692"></a><span class="lineno">  692</span>  <span class="comment">// increment bit count</span></div>
<div class="line"><a id="l00693" name="l00693"></a><span class="lineno">  693</span>  I_STAGEINCI(1),                                      <span class="comment">// STAGE = STAGE + 1</span></div>
<div class="line"><a id="l00694" name="l00694"></a><span class="lineno">  694</span> </div>
<div class="line"><a id="l00695" name="l00695"></a><span class="lineno">  695</span>  <span class="comment">// end of word? if not send then another bit</span></div>
<div class="line"><a id="l00696" name="l00696"></a><span class="lineno">  696</span>  M_STAGEBL(LABEL_PORT1_TX_NEXT_BIT, 11),              <span class="comment">// jump to LABEL_PORT1_TX_NEXT_BIT if STAGE &lt; 11</span></div>
<div class="line"><a id="l00697" name="l00697"></a><span class="lineno">  697</span> </div>
<div class="line"><a id="l00698" name="l00698"></a><span class="lineno">  698</span>M_LABEL(LABEL_PORT1_TX_EXIT),</div>
<div class="line"><a id="l00699" name="l00699"></a><span class="lineno">  699</span> </div>
<div class="line"><a id="l00700" name="l00700"></a><span class="lineno">  700</span>  <span class="comment">// R3 is no more timeout counter, but variables base</span></div>
<div class="line"><a id="l00701" name="l00701"></a><span class="lineno">  701</span>  I_MOVI(R3, 0),</div>
<div class="line"><a id="l00702" name="l00702"></a><span class="lineno">  702</span> </div>
<div class="line"><a id="l00703" name="l00703"></a><span class="lineno">  703</span>  <span class="comment">// back to RX mode</span></div>
<div class="line"><a id="l00704" name="l00704"></a><span class="lineno">  704</span>  CONFIGURE_DAT_INPUT(PS2_PORT1),</div>
<div class="line"><a id="l00705" name="l00705"></a><span class="lineno">  705</span>  I_MOVI(R0, 1),</div>
<div class="line"><a id="l00706" name="l00706"></a><span class="lineno">  706</span>  I_ST(R0, R3, RTCMEM_PORT1_RX_ENABLED),               <span class="comment">// [RTCMEM_PORT1_RX_ENABLED] = 1</span></div>
<div class="line"><a id="l00707" name="l00707"></a><span class="lineno">  707</span> </div>
<div class="line"><a id="l00708" name="l00708"></a><span class="lineno">  708</span>  <span class="comment">// reset command field</span></div>
<div class="line"><a id="l00709" name="l00709"></a><span class="lineno">  709</span>  I_MOVI(R0, 0),</div>
<div class="line"><a id="l00710" name="l00710"></a><span class="lineno">  710</span>  I_ST(R0, R3, RTCMEM_PORT1_TX),                       <span class="comment">// [RTCMEM_PORT0_TX] = 0</span></div>
<div class="line"><a id="l00711" name="l00711"></a><span class="lineno">  711</span> </div>
<div class="line"><a id="l00712" name="l00712"></a><span class="lineno">  712</span>  <span class="comment">// re-enable port 0?</span></div>
<div class="line"><a id="l00713" name="l00713"></a><span class="lineno">  713</span>  TEMP_PORT0_ENABLE(),</div>
<div class="line"><a id="l00714" name="l00714"></a><span class="lineno">  714</span> </div>
<div class="line"><a id="l00715" name="l00715"></a><span class="lineno">  715</span>  <span class="comment">// from now R2 is used as CPU re-wake timeout</span></div>
<div class="line"><a id="l00716" name="l00716"></a><span class="lineno">  716</span>  I_MOVI(R2, 0),</div>
<div class="line"><a id="l00717" name="l00717"></a><span class="lineno">  717</span> </div>
<div class="line"><a id="l00718" name="l00718"></a><span class="lineno">  718</span>  <span class="comment">// go to command loop</span></div>
<div class="line"><a id="l00719" name="l00719"></a><span class="lineno">  719</span>  M_BX(LABEL_RX),</div>
<div class="line"><a id="l00720" name="l00720"></a><span class="lineno">  720</span> </div>
<div class="line"><a id="l00721" name="l00721"></a><span class="lineno">  721</span> </div>
<div class="line"><a id="l00723" name="l00723"></a><span class="lineno">  723</span>  <span class="comment">// LABEL_PORT0_RX_CLK_TIMEOUT</span></div>
<div class="line"><a id="l00724" name="l00724"></a><span class="lineno">  724</span> </div>
<div class="line"><a id="l00725" name="l00725"></a><span class="lineno">  725</span>M_LABEL(LABEL_PORT0_RX_CLK_TIMEOUT),</div>
<div class="line"><a id="l00726" name="l00726"></a><span class="lineno">  726</span> </div>
<div class="line"><a id="l00727" name="l00727"></a><span class="lineno">  727</span>  <span class="comment">// R3 is no more timeout counter, but variables base</span></div>
<div class="line"><a id="l00728" name="l00728"></a><span class="lineno">  728</span>  I_MOVI(R3, 0),</div>
<div class="line"><a id="l00729" name="l00729"></a><span class="lineno">  729</span> </div>
<div class="line"><a id="l00730" name="l00730"></a><span class="lineno">  730</span>  <span class="comment">// disable port 0</span></div>
<div class="line"><a id="l00731" name="l00731"></a><span class="lineno">  731</span>  PERM_PORT0_DISABLE(),</div>
<div class="line"><a id="l00732" name="l00732"></a><span class="lineno">  732</span> </div>
<div class="line"><a id="l00733" name="l00733"></a><span class="lineno">  733</span>  <span class="comment">// re-enable port 1?</span></div>
<div class="line"><a id="l00734" name="l00734"></a><span class="lineno">  734</span>  TEMP_PORT1_ENABLE(),</div>
<div class="line"><a id="l00735" name="l00735"></a><span class="lineno">  735</span> </div>
<div class="line"><a id="l00736" name="l00736"></a><span class="lineno">  736</span>  <span class="comment">// set port 0 timeout flag</span></div>
<div class="line"><a id="l00737" name="l00737"></a><span class="lineno">  737</span>  I_MOVI(R0, 1),</div>
<div class="line"><a id="l00738" name="l00738"></a><span class="lineno">  738</span>  I_ST(R0, R3, RTCMEM_PORT0_RX_CLK_TIMEOUT),</div>
<div class="line"><a id="l00739" name="l00739"></a><span class="lineno">  739</span> </div>
<div class="line"><a id="l00740" name="l00740"></a><span class="lineno">  740</span>  I_WAKE(),</div>
<div class="line"><a id="l00741" name="l00741"></a><span class="lineno">  741</span> </div>
<div class="line"><a id="l00742" name="l00742"></a><span class="lineno">  742</span>  <span class="comment">// from now R2 is used as CPU re-wake timeout</span></div>
<div class="line"><a id="l00743" name="l00743"></a><span class="lineno">  743</span>  I_MOVI(R2, 0),</div>
<div class="line"><a id="l00744" name="l00744"></a><span class="lineno">  744</span> </div>
<div class="line"><a id="l00745" name="l00745"></a><span class="lineno">  745</span>  M_BX(LABEL_RX),</div>
<div class="line"><a id="l00746" name="l00746"></a><span class="lineno">  746</span> </div>
<div class="line"><a id="l00747" name="l00747"></a><span class="lineno">  747</span> </div>
<div class="line"><a id="l00749" name="l00749"></a><span class="lineno">  749</span>  <span class="comment">// LABEL_PORT1_RX_CLK_TIMEOUT</span></div>
<div class="line"><a id="l00750" name="l00750"></a><span class="lineno">  750</span> </div>
<div class="line"><a id="l00751" name="l00751"></a><span class="lineno">  751</span>M_LABEL(LABEL_PORT1_RX_CLK_TIMEOUT),</div>
<div class="line"><a id="l00752" name="l00752"></a><span class="lineno">  752</span> </div>
<div class="line"><a id="l00753" name="l00753"></a><span class="lineno">  753</span>  <span class="comment">// R3 is no more timeout counter, but variables base</span></div>
<div class="line"><a id="l00754" name="l00754"></a><span class="lineno">  754</span>  I_MOVI(R3, 0),</div>
<div class="line"><a id="l00755" name="l00755"></a><span class="lineno">  755</span> </div>
<div class="line"><a id="l00756" name="l00756"></a><span class="lineno">  756</span>  <span class="comment">// disable port 1</span></div>
<div class="line"><a id="l00757" name="l00757"></a><span class="lineno">  757</span>  PERM_PORT1_DISABLE(),</div>
<div class="line"><a id="l00758" name="l00758"></a><span class="lineno">  758</span> </div>
<div class="line"><a id="l00759" name="l00759"></a><span class="lineno">  759</span>  <span class="comment">// re-enable port 0?</span></div>
<div class="line"><a id="l00760" name="l00760"></a><span class="lineno">  760</span>  TEMP_PORT0_ENABLE(),</div>
<div class="line"><a id="l00761" name="l00761"></a><span class="lineno">  761</span> </div>
<div class="line"><a id="l00762" name="l00762"></a><span class="lineno">  762</span>  <span class="comment">// set port 1 timeout flag</span></div>
<div class="line"><a id="l00763" name="l00763"></a><span class="lineno">  763</span>  I_MOVI(R0, 1),</div>
<div class="line"><a id="l00764" name="l00764"></a><span class="lineno">  764</span>  I_ST(R0, R3, RTCMEM_PORT1_RX_CLK_TIMEOUT),</div>
<div class="line"><a id="l00765" name="l00765"></a><span class="lineno">  765</span> </div>
<div class="line"><a id="l00766" name="l00766"></a><span class="lineno">  766</span>  I_WAKE(),</div>
<div class="line"><a id="l00767" name="l00767"></a><span class="lineno">  767</span> </div>
<div class="line"><a id="l00768" name="l00768"></a><span class="lineno">  768</span>  <span class="comment">// from now R2 is used as CPU re-wake timeout</span></div>
<div class="line"><a id="l00769" name="l00769"></a><span class="lineno">  769</span>  I_MOVI(R2, 0),</div>
<div class="line"><a id="l00770" name="l00770"></a><span class="lineno">  770</span> </div>
<div class="line"><a id="l00771" name="l00771"></a><span class="lineno">  771</span>  <span class="comment">//M_BX(LABEL_RX),</span></div>
<div class="line"><a id="l00772" name="l00772"></a><span class="lineno">  772</span> </div>
<div class="line"><a id="l00773" name="l00773"></a><span class="lineno">  773</span> </div>
<div class="line"><a id="l00775" name="l00775"></a><span class="lineno">  775</span>  <span class="comment">// LABEL_RX - Check for new data from port 0 and port 1</span></div>
<div class="line"><a id="l00776" name="l00776"></a><span class="lineno">  776</span>  <span class="comment">// During reception port 1 is disabled for RX. It will be enabled at the end.</span></div>
<div class="line"><a id="l00777" name="l00777"></a><span class="lineno">  777</span>  <span class="comment">// After received data the port 0 remains disabled for RX.</span></div>
<div class="line"><a id="l00778" name="l00778"></a><span class="lineno">  778</span> </div>
<div class="line"><a id="l00779" name="l00779"></a><span class="lineno">  779</span>M_LABEL(LABEL_RX),</div>
<div class="line"><a id="l00780" name="l00780"></a><span class="lineno">  780</span> </div>
<div class="line"><a id="l00781" name="l00781"></a><span class="lineno">  781</span>  <span class="comment">// Check for RX from port 0?</span></div>
<div class="line"><a id="l00782" name="l00782"></a><span class="lineno">  782</span>  I_LD(R0, R3, RTCMEM_PORT0_RX_ENABLED),</div>
<div class="line"><a id="l00783" name="l00783"></a><span class="lineno">  783</span>  M_BGE(LABEL_PORT0_RX_CHECK_CLK, 1),                       <span class="comment">// yes, jump to LABEL_PORT0_RX_CHECK_CLK</span></div>
<div class="line"><a id="l00784" name="l00784"></a><span class="lineno">  784</span> </div>
<div class="line"><a id="l00785" name="l00785"></a><span class="lineno">  785</span>  <span class="comment">// no, port 0 is not enabled, maybe we are waiting for an ack from SoC, increment and check the re-wake timeout counter (R2)</span></div>
<div class="line"><a id="l00786" name="l00786"></a><span class="lineno">  786</span>  I_ADDI(R2, R2, 1),                                        <span class="comment">// R2 = R2 + 1 (increment counter)</span></div>
<div class="line"><a id="l00787" name="l00787"></a><span class="lineno">  787</span>  I_MOVR(R0, R2),</div>
<div class="line"><a id="l00788" name="l00788"></a><span class="lineno">  788</span>  M_BL(LABEL_RX_NEXT, WAKE_THRESHOLD),                      <span class="comment">// check the other port if counter is below WAKE_THRESHOLD</span></div>
<div class="line"><a id="l00789" name="l00789"></a><span class="lineno">  789</span>  I_WAKE(),                                                 <span class="comment">// need to wake CPU</span></div>
<div class="line"><a id="l00790" name="l00790"></a><span class="lineno">  790</span>  I_MOVI(R2, 0),                                            <span class="comment">// reset counter</span></div>
<div class="line"><a id="l00791" name="l00791"></a><span class="lineno">  791</span>  M_BX(LABEL_RX_NEXT),                                      <span class="comment">// check the other port</span></div>
<div class="line"><a id="l00792" name="l00792"></a><span class="lineno">  792</span> </div>
<div class="line"><a id="l00793" name="l00793"></a><span class="lineno">  793</span>M_LABEL(LABEL_PORT0_RX_CHECK_CLK),</div>
<div class="line"><a id="l00794" name="l00794"></a><span class="lineno">  794</span> </div>
<div class="line"><a id="l00795" name="l00795"></a><span class="lineno">  795</span>  <span class="comment">// read CLK</span></div>
<div class="line"><a id="l00796" name="l00796"></a><span class="lineno">  796</span>  READ_CLK(PS2_PORT0),                                      <span class="comment">// R0 = CLK</span></div>
<div class="line"><a id="l00797" name="l00797"></a><span class="lineno">  797</span> </div>
<div class="line"><a id="l00798" name="l00798"></a><span class="lineno">  798</span>  <span class="comment">// CLK is low?</span></div>
<div class="line"><a id="l00799" name="l00799"></a><span class="lineno">  799</span>  M_BGE(LABEL_RX_NEXT, 1),                                  <span class="comment">// no, jump to LABEL_RX_NEXT</span></div>
<div class="line"><a id="l00800" name="l00800"></a><span class="lineno">  800</span> </div>
<div class="line"><a id="l00801" name="l00801"></a><span class="lineno">  801</span>  <span class="comment">// yes, from here we are receiving data from port 0</span></div>
<div class="line"><a id="l00802" name="l00802"></a><span class="lineno">  802</span> </div>
<div class="line"><a id="l00803" name="l00803"></a><span class="lineno">  803</span>  <span class="comment">// reset state variables</span></div>
<div class="line"><a id="l00804" name="l00804"></a><span class="lineno">  804</span>  I_MOVI(R0, 0),</div>
<div class="line"><a id="l00805" name="l00805"></a><span class="lineno">  805</span>  I_ST(R0, R3, RTCMEM_PORT0_DATAIN),                        <span class="comment">// [RTCMEM_PORT0_DATAIN] = 0</span></div>
<div class="line"><a id="l00806" name="l00806"></a><span class="lineno">  806</span>  I_STAGERSTI(),                                            <span class="comment">// STAGE = 0 (STAGE is the bit count)</span></div>
<div class="line"><a id="l00807" name="l00807"></a><span class="lineno">  807</span>  I_MOVI(R2, 0),                                            <span class="comment">// R2 = 0 (R2 represents last read value from CLK)</span></div>
<div class="line"><a id="l00808" name="l00808"></a><span class="lineno">  808</span> </div>
<div class="line"><a id="l00809" name="l00809"></a><span class="lineno">  809</span>  <span class="comment">// disable port 1?</span></div>
<div class="line"><a id="l00810" name="l00810"></a><span class="lineno">  810</span>  TEMP_PORT1_DISABLE(),</div>
<div class="line"><a id="l00811" name="l00811"></a><span class="lineno">  811</span> </div>
<div class="line"><a id="l00812" name="l00812"></a><span class="lineno">  812</span>  <span class="comment">// CLK is low so jump directly to DAT capture without recheck</span></div>
<div class="line"><a id="l00813" name="l00813"></a><span class="lineno">  813</span>  M_BX(LABEL_PORT0_RX_CLK_IS_LOW),</div>
<div class="line"><a id="l00814" name="l00814"></a><span class="lineno">  814</span> </div>
<div class="line"><a id="l00815" name="l00815"></a><span class="lineno">  815</span>M_LABEL(LABEL_PORT0_RX_WAIT_LOOP),</div>
<div class="line"><a id="l00816" name="l00816"></a><span class="lineno">  816</span> </div>
<div class="line"><a id="l00817" name="l00817"></a><span class="lineno">  817</span>  <span class="comment">// temporarily use R3 (which is 0) as timeout counter</span></div>
<div class="line"><a id="l00818" name="l00818"></a><span class="lineno">  818</span>  I_ADDI(R3, R3, 1),</div>
<div class="line"><a id="l00819" name="l00819"></a><span class="lineno">  819</span>  I_MOVR(R0, R3),</div>
<div class="line"><a id="l00820" name="l00820"></a><span class="lineno">  820</span>  M_BGE(LABEL_PORT0_RX_CLK_TIMEOUT, CLK_RX_TIMEOUT_VAL),    <span class="comment">// jump to LABEL_PORT0_RX_CLK_TIMEOUT on CLK timeout</span></div>
<div class="line"><a id="l00821" name="l00821"></a><span class="lineno">  821</span> </div>
<div class="line"><a id="l00822" name="l00822"></a><span class="lineno">  822</span>  <span class="comment">// read CLK</span></div>
<div class="line"><a id="l00823" name="l00823"></a><span class="lineno">  823</span>  READ_CLK(PS2_PORT0),                                      <span class="comment">// R0 = CLK</span></div>
<div class="line"><a id="l00824" name="l00824"></a><span class="lineno">  824</span> </div>
<div class="line"><a id="l00825" name="l00825"></a><span class="lineno">  825</span>  <span class="comment">// CLK changed?</span></div>
<div class="line"><a id="l00826" name="l00826"></a><span class="lineno">  826</span>  I_SUBR(R1, R2, R0),                                       <span class="comment">// R1 = R2 - R0</span></div>
<div class="line"><a id="l00827" name="l00827"></a><span class="lineno">  827</span>  M_BXZ(LABEL_PORT0_RX_WAIT_LOOP),                          <span class="comment">// no, repeat to LABEL_PORT0_RX_WAIT_LOOP</span></div>
<div class="line"><a id="l00828" name="l00828"></a><span class="lineno">  828</span> </div>
<div class="line"><a id="l00829" name="l00829"></a><span class="lineno">  829</span>  <span class="comment">// R3 is no more timeout counter, but variables base</span></div>
<div class="line"><a id="l00830" name="l00830"></a><span class="lineno">  830</span>  I_MOVI(R3, 0),</div>
<div class="line"><a id="l00831" name="l00831"></a><span class="lineno">  831</span> </div>
<div class="line"><a id="l00832" name="l00832"></a><span class="lineno">  832</span>  <span class="comment">// update last bit received</span></div>
<div class="line"><a id="l00833" name="l00833"></a><span class="lineno">  833</span>  I_MOVR(R2, R0),                                           <span class="comment">// R2 = R0</span></div>
<div class="line"><a id="l00834" name="l00834"></a><span class="lineno">  834</span> </div>
<div class="line"><a id="l00835" name="l00835"></a><span class="lineno">  835</span>  <span class="comment">// is CLK high?</span></div>
<div class="line"><a id="l00836" name="l00836"></a><span class="lineno">  836</span>  M_BGE(LABEL_PORT0_RX_CLK_IS_HIGH, 1),</div>
<div class="line"><a id="l00837" name="l00837"></a><span class="lineno">  837</span> </div>
<div class="line"><a id="l00838" name="l00838"></a><span class="lineno">  838</span>M_LABEL(LABEL_PORT0_RX_CLK_IS_LOW),</div>
<div class="line"><a id="l00839" name="l00839"></a><span class="lineno">  839</span> </div>
<div class="line"><a id="l00840" name="l00840"></a><span class="lineno">  840</span>  <span class="comment">// CLK is Low, capture DAT value</span></div>
<div class="line"><a id="l00841" name="l00841"></a><span class="lineno">  841</span>  READ_DAT(PS2_PORT0),                                      <span class="comment">// R0 = DAT</span></div>
<div class="line"><a id="l00842" name="l00842"></a><span class="lineno">  842</span> </div>
<div class="line"><a id="l00843" name="l00843"></a><span class="lineno">  843</span>  <span class="comment">// merge with data word and shift right by 1 the received word</span></div>
<div class="line"><a id="l00844" name="l00844"></a><span class="lineno">  844</span>  I_LSHI(R0, R0, 11),                                       <span class="comment">// R0 = R0 &lt;&lt; 11</span></div>
<div class="line"><a id="l00845" name="l00845"></a><span class="lineno">  845</span>  I_LD(R1, R3, RTCMEM_PORT0_DATAIN),                        <span class="comment">// R1 = [RTCMEM_PORT0_DATAIN]</span></div>
<div class="line"><a id="l00846" name="l00846"></a><span class="lineno">  846</span>  I_ORR(R1, R1, R0),                                        <span class="comment">// R1 = R1 | R0</span></div>
<div class="line"><a id="l00847" name="l00847"></a><span class="lineno">  847</span>  I_RSHI(R1, R1, 1),                                        <span class="comment">// R1 = R1 &gt;&gt; 1</span></div>
<div class="line"><a id="l00848" name="l00848"></a><span class="lineno">  848</span>  I_ST(R1, R3, RTCMEM_PORT0_DATAIN),                        <span class="comment">// [RTCMEM_PORT0_DATAIN] = R1</span></div>
<div class="line"><a id="l00849" name="l00849"></a><span class="lineno">  849</span> </div>
<div class="line"><a id="l00850" name="l00850"></a><span class="lineno">  850</span>  <span class="comment">// repeat</span></div>
<div class="line"><a id="l00851" name="l00851"></a><span class="lineno">  851</span>  M_BX(LABEL_PORT0_RX_WAIT_LOOP),</div>
<div class="line"><a id="l00852" name="l00852"></a><span class="lineno">  852</span> </div>
<div class="line"><a id="l00853" name="l00853"></a><span class="lineno">  853</span>M_LABEL(LABEL_PORT0_RX_CLK_IS_HIGH),</div>
<div class="line"><a id="l00854" name="l00854"></a><span class="lineno">  854</span> </div>
<div class="line"><a id="l00855" name="l00855"></a><span class="lineno">  855</span>  <span class="comment">// increment bit count</span></div>
<div class="line"><a id="l00856" name="l00856"></a><span class="lineno">  856</span>  I_STAGEINCI(1),                                           <span class="comment">// STAGE = STAGE + 1</span></div>
<div class="line"><a id="l00857" name="l00857"></a><span class="lineno">  857</span> </div>
<div class="line"><a id="l00858" name="l00858"></a><span class="lineno">  858</span>  <span class="comment">// end of word? if not get another bit</span></div>
<div class="line"><a id="l00859" name="l00859"></a><span class="lineno">  859</span>  M_STAGEBL(LABEL_PORT0_RX_WAIT_LOOP, 11),                  <span class="comment">// jump to LABEL_PORT0_RX_WAIT_LOOP if STAGE &lt; 11</span></div>
<div class="line"><a id="l00860" name="l00860"></a><span class="lineno">  860</span> </div>
<div class="line"><a id="l00861" name="l00861"></a><span class="lineno">  861</span>  <span class="comment">// End of word, disable port 0</span></div>
<div class="line"><a id="l00862" name="l00862"></a><span class="lineno">  862</span>  PERM_PORT0_DISABLE(),</div>
<div class="line"><a id="l00863" name="l00863"></a><span class="lineno">  863</span> </div>
<div class="line"><a id="l00864" name="l00864"></a><span class="lineno">  864</span>  <span class="comment">// set RX flag</span></div>
<div class="line"><a id="l00865" name="l00865"></a><span class="lineno">  865</span>  I_MOVI(R0, 1),</div>
<div class="line"><a id="l00866" name="l00866"></a><span class="lineno">  866</span>  I_ST(R0, R3, RTCMEM_PORT0_RX),                            <span class="comment">// [RTCMEM_PORT0_RX] = 1</span></div>
<div class="line"><a id="l00867" name="l00867"></a><span class="lineno">  867</span> </div>
<div class="line"><a id="l00868" name="l00868"></a><span class="lineno">  868</span>  <span class="comment">// re-enable port 1?</span></div>
<div class="line"><a id="l00869" name="l00869"></a><span class="lineno">  869</span>  TEMP_PORT1_ENABLE(),</div>
<div class="line"><a id="l00870" name="l00870"></a><span class="lineno">  870</span> </div>
<div class="line"><a id="l00871" name="l00871"></a><span class="lineno">  871</span>  <span class="comment">// don&#39;t check RTC_CNTL_RDY_FOR_WAKEUP_S of RTC_CNTL_LOW_POWER_ST_REG because it never gets active, due</span></div>
<div class="line"><a id="l00872" name="l00872"></a><span class="lineno">  872</span>  <span class="comment">// the fact ULP never calls HALT or SoC is always active.</span></div>
<div class="line"><a id="l00873" name="l00873"></a><span class="lineno">  873</span>  I_WAKE(),</div>
<div class="line"><a id="l00874" name="l00874"></a><span class="lineno">  874</span> </div>
<div class="line"><a id="l00875" name="l00875"></a><span class="lineno">  875</span>  <span class="comment">// from now R2 is used as CPU re-wake timeout</span></div>
<div class="line"><a id="l00876" name="l00876"></a><span class="lineno">  876</span>  I_MOVI(R2, 0),</div>
<div class="line"><a id="l00877" name="l00877"></a><span class="lineno">  877</span> </div>
<div class="line"><a id="l00878" name="l00878"></a><span class="lineno">  878</span> </div>
<div class="line"><a id="l00880" name="l00880"></a><span class="lineno">  880</span>  <span class="comment">// Check for new data from port 1</span></div>
<div class="line"><a id="l00881" name="l00881"></a><span class="lineno">  881</span>  <span class="comment">// During reception port 0 is disabled for RX. It will be enabled at the end.</span></div>
<div class="line"><a id="l00882" name="l00882"></a><span class="lineno">  882</span>  <span class="comment">// After received data the port 0 remains disabled for RX.</span></div>
<div class="line"><a id="l00883" name="l00883"></a><span class="lineno">  883</span> </div>
<div class="line"><a id="l00884" name="l00884"></a><span class="lineno">  884</span>M_LABEL(LABEL_RX_NEXT),</div>
<div class="line"><a id="l00885" name="l00885"></a><span class="lineno">  885</span> </div>
<div class="line"><a id="l00886" name="l00886"></a><span class="lineno">  886</span>  <span class="comment">// Check for RX from port 1?</span></div>
<div class="line"><a id="l00887" name="l00887"></a><span class="lineno">  887</span>  I_LD(R0, R3, RTCMEM_PORT1_RX_ENABLED),</div>
<div class="line"><a id="l00888" name="l00888"></a><span class="lineno">  888</span>  M_BGE(LABEL_PORT1_RX_CHECK_CLK, 1),                       <span class="comment">// yes, jump to LABEL_PORT1_RX_CHECK_CLK</span></div>
<div class="line"><a id="l00889" name="l00889"></a><span class="lineno">  889</span> </div>
<div class="line"><a id="l00890" name="l00890"></a><span class="lineno">  890</span>  <span class="comment">// no, port 1 is not enabled, maybe we are waiting for an ack from SoC, increment and check the re-wake timeout counter (R2)</span></div>
<div class="line"><a id="l00891" name="l00891"></a><span class="lineno">  891</span>  I_ADDI(R2, R2, 1),                                        <span class="comment">// R2 = R2 + 1 (increment counter)</span></div>
<div class="line"><a id="l00892" name="l00892"></a><span class="lineno">  892</span>  I_MOVR(R0, R2),</div>
<div class="line"><a id="l00893" name="l00893"></a><span class="lineno">  893</span>  M_LONG_BL(LABEL_WAIT_COMMAND, WAKE_THRESHOLD),            <span class="comment">// return to main loop if counter is below WAKE_THRESHOLD</span></div>
<div class="line"><a id="l00894" name="l00894"></a><span class="lineno">  894</span>  I_WAKE(),                                                 <span class="comment">// need to wake CPU</span></div>
<div class="line"><a id="l00895" name="l00895"></a><span class="lineno">  895</span>  I_MOVI(R2, 0),                                            <span class="comment">// reset counter</span></div>
<div class="line"><a id="l00896" name="l00896"></a><span class="lineno">  896</span>  M_BX(LABEL_WAIT_COMMAND),                                 <span class="comment">// return to main loop</span></div>
<div class="line"><a id="l00897" name="l00897"></a><span class="lineno">  897</span> </div>
<div class="line"><a id="l00898" name="l00898"></a><span class="lineno">  898</span>M_LABEL(LABEL_PORT1_RX_CHECK_CLK),</div>
<div class="line"><a id="l00899" name="l00899"></a><span class="lineno">  899</span> </div>
<div class="line"><a id="l00900" name="l00900"></a><span class="lineno">  900</span>  <span class="comment">// read CLK</span></div>
<div class="line"><a id="l00901" name="l00901"></a><span class="lineno">  901</span>  READ_CLK(PS2_PORT1),                                      <span class="comment">// R0 = CLK</span></div>
<div class="line"><a id="l00902" name="l00902"></a><span class="lineno">  902</span> </div>
<div class="line"><a id="l00903" name="l00903"></a><span class="lineno">  903</span>  <span class="comment">// CLK is low?</span></div>
<div class="line"><a id="l00904" name="l00904"></a><span class="lineno">  904</span>  M_LONG_BGE(LABEL_WAIT_COMMAND, 1),                        <span class="comment">// no, jump to LABEL_WAIT_COMMAND</span></div>
<div class="line"><a id="l00905" name="l00905"></a><span class="lineno">  905</span> </div>
<div class="line"><a id="l00906" name="l00906"></a><span class="lineno">  906</span>  <span class="comment">// yes, from here we are receiving data from port 0</span></div>
<div class="line"><a id="l00907" name="l00907"></a><span class="lineno">  907</span> </div>
<div class="line"><a id="l00908" name="l00908"></a><span class="lineno">  908</span>  <span class="comment">// reset state variables</span></div>
<div class="line"><a id="l00909" name="l00909"></a><span class="lineno">  909</span>  I_MOVI(R0, 0),</div>
<div class="line"><a id="l00910" name="l00910"></a><span class="lineno">  910</span>  I_ST(R0, R3, RTCMEM_PORT1_DATAIN),                        <span class="comment">// [RTCMEM_PORT1_DATAIN] = 0</span></div>
<div class="line"><a id="l00911" name="l00911"></a><span class="lineno">  911</span>  I_STAGERSTI(),                                            <span class="comment">// STAGE = 0 (STAGE is the bit count)</span></div>
<div class="line"><a id="l00912" name="l00912"></a><span class="lineno">  912</span>  I_MOVI(R2, 0),                                            <span class="comment">// R2 = 0 (R2 represents last read value from CLK)</span></div>
<div class="line"><a id="l00913" name="l00913"></a><span class="lineno">  913</span> </div>
<div class="line"><a id="l00914" name="l00914"></a><span class="lineno">  914</span>  <span class="comment">// disable port 0?</span></div>
<div class="line"><a id="l00915" name="l00915"></a><span class="lineno">  915</span>  TEMP_PORT0_DISABLE(),</div>
<div class="line"><a id="l00916" name="l00916"></a><span class="lineno">  916</span> </div>
<div class="line"><a id="l00917" name="l00917"></a><span class="lineno">  917</span>  <span class="comment">// CLK is low so jump directly to DAT capture without recheck</span></div>
<div class="line"><a id="l00918" name="l00918"></a><span class="lineno">  918</span>  M_BX(LABEL_PORT1_RX_CLK_IS_LOW),</div>
<div class="line"><a id="l00919" name="l00919"></a><span class="lineno">  919</span> </div>
<div class="line"><a id="l00920" name="l00920"></a><span class="lineno">  920</span>M_LABEL(LABEL_PORT1_RX_WAIT_LOOP),</div>
<div class="line"><a id="l00921" name="l00921"></a><span class="lineno">  921</span> </div>
<div class="line"><a id="l00922" name="l00922"></a><span class="lineno">  922</span>  <span class="comment">// temporarily use R3 (which is 0) as timeout counter</span></div>
<div class="line"><a id="l00923" name="l00923"></a><span class="lineno">  923</span>  I_ADDI(R3, R3, 1),</div>
<div class="line"><a id="l00924" name="l00924"></a><span class="lineno">  924</span>  I_MOVR(R0, R3),</div>
<div class="line"><a id="l00925" name="l00925"></a><span class="lineno">  925</span>  M_BGE(LABEL_PORT1_RX_CLK_TIMEOUT, CLK_RX_TIMEOUT_VAL),    <span class="comment">// jump to LABEL_PORT1_RX_CLK_TIMEOUT on CLK timeout</span></div>
<div class="line"><a id="l00926" name="l00926"></a><span class="lineno">  926</span> </div>
<div class="line"><a id="l00927" name="l00927"></a><span class="lineno">  927</span>  <span class="comment">// read CLK</span></div>
<div class="line"><a id="l00928" name="l00928"></a><span class="lineno">  928</span>  READ_CLK(PS2_PORT1),                                      <span class="comment">// R0 = CLK</span></div>
<div class="line"><a id="l00929" name="l00929"></a><span class="lineno">  929</span> </div>
<div class="line"><a id="l00930" name="l00930"></a><span class="lineno">  930</span>  <span class="comment">// CLK changed?</span></div>
<div class="line"><a id="l00931" name="l00931"></a><span class="lineno">  931</span>  I_SUBR(R1, R2, R0),                                       <span class="comment">// R1 = R2 - R0</span></div>
<div class="line"><a id="l00932" name="l00932"></a><span class="lineno">  932</span>  M_BXZ(LABEL_PORT1_RX_WAIT_LOOP),                          <span class="comment">// no, repeat to LABEL_PORT1_RX_WAIT_LOOP</span></div>
<div class="line"><a id="l00933" name="l00933"></a><span class="lineno">  933</span> </div>
<div class="line"><a id="l00934" name="l00934"></a><span class="lineno">  934</span>  <span class="comment">// R3 is no more timeout counter, but variables base</span></div>
<div class="line"><a id="l00935" name="l00935"></a><span class="lineno">  935</span>  I_MOVI(R3, 0),</div>
<div class="line"><a id="l00936" name="l00936"></a><span class="lineno">  936</span> </div>
<div class="line"><a id="l00937" name="l00937"></a><span class="lineno">  937</span>  <span class="comment">// update last bit received</span></div>
<div class="line"><a id="l00938" name="l00938"></a><span class="lineno">  938</span>  I_MOVR(R2, R0),                                           <span class="comment">// R2 = R0</span></div>
<div class="line"><a id="l00939" name="l00939"></a><span class="lineno">  939</span> </div>
<div class="line"><a id="l00940" name="l00940"></a><span class="lineno">  940</span>  <span class="comment">// is CLK high?</span></div>
<div class="line"><a id="l00941" name="l00941"></a><span class="lineno">  941</span>  M_BGE(LABEL_PORT1_RX_CLK_IS_HIGH, 1),</div>
<div class="line"><a id="l00942" name="l00942"></a><span class="lineno">  942</span> </div>
<div class="line"><a id="l00943" name="l00943"></a><span class="lineno">  943</span>M_LABEL(LABEL_PORT1_RX_CLK_IS_LOW),</div>
<div class="line"><a id="l00944" name="l00944"></a><span class="lineno">  944</span> </div>
<div class="line"><a id="l00945" name="l00945"></a><span class="lineno">  945</span>  <span class="comment">// CLK is Low, capture DAT value</span></div>
<div class="line"><a id="l00946" name="l00946"></a><span class="lineno">  946</span>  READ_DAT(PS2_PORT1),                                      <span class="comment">// R0 = DAT</span></div>
<div class="line"><a id="l00947" name="l00947"></a><span class="lineno">  947</span> </div>
<div class="line"><a id="l00948" name="l00948"></a><span class="lineno">  948</span>  <span class="comment">// merge with data word and shift right by 1 the received word</span></div>
<div class="line"><a id="l00949" name="l00949"></a><span class="lineno">  949</span>  I_LSHI(R0, R0, 11),                                       <span class="comment">// R0 = R0 &lt;&lt; 11</span></div>
<div class="line"><a id="l00950" name="l00950"></a><span class="lineno">  950</span>  I_LD(R1, R3, RTCMEM_PORT1_DATAIN),                        <span class="comment">// R1 = [RTCMEM_PORT1_DATAIN]</span></div>
<div class="line"><a id="l00951" name="l00951"></a><span class="lineno">  951</span>  I_ORR(R1, R1, R0),                                        <span class="comment">// R1 = R1 | R0</span></div>
<div class="line"><a id="l00952" name="l00952"></a><span class="lineno">  952</span>  I_RSHI(R1, R1, 1),                                        <span class="comment">// R1 = R1 &gt;&gt; 1</span></div>
<div class="line"><a id="l00953" name="l00953"></a><span class="lineno">  953</span>  I_ST(R1, R3, RTCMEM_PORT1_DATAIN),                        <span class="comment">// [RTCMEM_PORT1_DATAIN] = R1</span></div>
<div class="line"><a id="l00954" name="l00954"></a><span class="lineno">  954</span> </div>
<div class="line"><a id="l00955" name="l00955"></a><span class="lineno">  955</span>  <span class="comment">// repeat</span></div>
<div class="line"><a id="l00956" name="l00956"></a><span class="lineno">  956</span>  M_BX(LABEL_PORT1_RX_WAIT_LOOP),</div>
<div class="line"><a id="l00957" name="l00957"></a><span class="lineno">  957</span> </div>
<div class="line"><a id="l00958" name="l00958"></a><span class="lineno">  958</span>M_LABEL(LABEL_PORT1_RX_CLK_IS_HIGH),</div>
<div class="line"><a id="l00959" name="l00959"></a><span class="lineno">  959</span> </div>
<div class="line"><a id="l00960" name="l00960"></a><span class="lineno">  960</span>  <span class="comment">// increment bit count</span></div>
<div class="line"><a id="l00961" name="l00961"></a><span class="lineno">  961</span>  I_STAGEINCI(1),                                           <span class="comment">// STAGE = STAGE + 1</span></div>
<div class="line"><a id="l00962" name="l00962"></a><span class="lineno">  962</span> </div>
<div class="line"><a id="l00963" name="l00963"></a><span class="lineno">  963</span>  <span class="comment">// end of word? if not get another bit</span></div>
<div class="line"><a id="l00964" name="l00964"></a><span class="lineno">  964</span>  M_STAGEBL(LABEL_PORT1_RX_WAIT_LOOP, 11),                  <span class="comment">// jump to LABEL_PORT1_RX_WAIT_LOOP if STAGE &lt; 11</span></div>
<div class="line"><a id="l00965" name="l00965"></a><span class="lineno">  965</span> </div>
<div class="line"><a id="l00966" name="l00966"></a><span class="lineno">  966</span>  <span class="comment">// End of word, disable port 1</span></div>
<div class="line"><a id="l00967" name="l00967"></a><span class="lineno">  967</span>  PERM_PORT1_DISABLE(),</div>
<div class="line"><a id="l00968" name="l00968"></a><span class="lineno">  968</span> </div>
<div class="line"><a id="l00969" name="l00969"></a><span class="lineno">  969</span>  <span class="comment">// set RX flag</span></div>
<div class="line"><a id="l00970" name="l00970"></a><span class="lineno">  970</span>  I_MOVI(R0, 1),</div>
<div class="line"><a id="l00971" name="l00971"></a><span class="lineno">  971</span>  I_ST(R0, R3, RTCMEM_PORT1_RX),                            <span class="comment">// [RTCMEM_PORT1_RX] = 1</span></div>
<div class="line"><a id="l00972" name="l00972"></a><span class="lineno">  972</span> </div>
<div class="line"><a id="l00973" name="l00973"></a><span class="lineno">  973</span>  <span class="comment">// re-enable port 0?</span></div>
<div class="line"><a id="l00974" name="l00974"></a><span class="lineno">  974</span>  TEMP_PORT0_ENABLE(),</div>
<div class="line"><a id="l00975" name="l00975"></a><span class="lineno">  975</span> </div>
<div class="line"><a id="l00976" name="l00976"></a><span class="lineno">  976</span>  <span class="comment">// don&#39;t check RTC_CNTL_RDY_FOR_WAKEUP_S of RTC_CNTL_LOW_POWER_ST_REG because it never gets active, due</span></div>
<div class="line"><a id="l00977" name="l00977"></a><span class="lineno">  977</span>  <span class="comment">// the fact ULP never calls HALT or SoC is always active.</span></div>
<div class="line"><a id="l00978" name="l00978"></a><span class="lineno">  978</span>  I_WAKE(),</div>
<div class="line"><a id="l00979" name="l00979"></a><span class="lineno">  979</span> </div>
<div class="line"><a id="l00980" name="l00980"></a><span class="lineno">  980</span>  <span class="comment">// from now R2 is used as CPU re-wake timeout</span></div>
<div class="line"><a id="l00981" name="l00981"></a><span class="lineno">  981</span>  I_MOVI(R2, 0),</div>
<div class="line"><a id="l00982" name="l00982"></a><span class="lineno">  982</span> </div>
<div class="line"><a id="l00983" name="l00983"></a><span class="lineno">  983</span>  <span class="comment">// return to main loop</span></div>
<div class="line"><a id="l00984" name="l00984"></a><span class="lineno">  984</span>  M_BX(LABEL_WAIT_COMMAND),</div>
<div class="line"><a id="l00985" name="l00985"></a><span class="lineno">  985</span> </div>
<div class="line"><a id="l00986" name="l00986"></a><span class="lineno">  986</span>};</div>
<div class="line"><a id="l00987" name="l00987"></a><span class="lineno">  987</span> </div>
<div class="line"><a id="l00988" name="l00988"></a><span class="lineno">  988</span> </div>
<div class="line"><a id="l00989" name="l00989"></a><span class="lineno">  989</span> </div>
<div class="line"><a id="l00990" name="l00990"></a><span class="lineno">  990</span> </div>
<div class="line"><a id="l00991" name="l00991"></a><span class="lineno">  991</span><span class="comment">// Allowed GPIOs: GPIO_NUM_0, GPIO_NUM_2, GPIO_NUM_4, GPIO_NUM_12, GPIO_NUM_13, GPIO_NUM_14, GPIO_NUM_15, GPIO_NUM_25, GPIO_NUM_26, GPIO_NUM_27, GPIO_NUM_32, GPIO_NUM_33</span></div>
<div class="line"><a id="l00992" name="l00992"></a><span class="lineno">  992</span><span class="comment">// Not allowed from GPIO_NUM_34 to GPIO_NUM_39</span></div>
<div class="line"><a id="l00993" name="l00993"></a><span class="lineno">  993</span><span class="comment">// prg_start in 32 bit words</span></div>
<div class="line"><a id="l00994" name="l00994"></a><span class="lineno">  994</span><span class="comment">// size in 32 bit words</span></div>
<div class="line"><a id="l00995" name="l00995"></a><span class="lineno">  995</span><span class="keyword">static</span> <span class="keywordtype">void</span> replace_placeholders(uint32_t prg_start, <span class="keywordtype">int</span> size, <span class="keywordtype">bool</span> port0Enabled, gpio_num_t port0_clkGPIO, gpio_num_t port0_datGPIO, <span class="keywordtype">bool</span> port1Enabled, gpio_num_t port1_clkGPIO, gpio_num_t port1_datGPIO)</div>
<div class="line"><a id="l00996" name="l00996"></a><span class="lineno">  996</span>{</div>
<div class="line"><a id="l00997" name="l00997"></a><span class="lineno">  997</span>  uint32_t CLK_rtc_gpio_num[2], CLK_rtc_gpio_reg[2], CLK_rtc_gpio_ie_s[2];</div>
<div class="line"><a id="l00998" name="l00998"></a><span class="lineno">  998</span>  uint32_t DAT_rtc_gpio_num[2], DAT_rtc_gpio_reg[2], DAT_rtc_gpio_ie_s[2];</div>
<div class="line"><a id="l00999" name="l00999"></a><span class="lineno">  999</span> </div>
<div class="line"><a id="l01000" name="l01000"></a><span class="lineno"> 1000</span>  <span class="keywordflow">if</span> (port0Enabled) {</div>
<div class="line"><a id="l01001" name="l01001"></a><span class="lineno"> 1001</span><span class="preprocessor">    #if FABGL_ESP_IDF_VERSION &lt;= FABGL_ESP_IDF_VERSION_VAL(3, 3, 5)</span></div>
<div class="line"><a id="l01002" name="l01002"></a><span class="lineno"> 1002</span>    CLK_rtc_gpio_num[0]  = (uint32_t) rtc_gpio_desc[port0_clkGPIO].rtc_num;</div>
<div class="line"><a id="l01003" name="l01003"></a><span class="lineno"> 1003</span>    CLK_rtc_gpio_reg[0]  = rtc_gpio_desc[port0_clkGPIO].reg;</div>
<div class="line"><a id="l01004" name="l01004"></a><span class="lineno"> 1004</span>    CLK_rtc_gpio_ie_s[0] = (uint32_t) ffs(rtc_gpio_desc[port0_clkGPIO].ie) - 1;</div>
<div class="line"><a id="l01005" name="l01005"></a><span class="lineno"> 1005</span>    DAT_rtc_gpio_num[0]  = (uint32_t) rtc_gpio_desc[port0_datGPIO].rtc_num;</div>
<div class="line"><a id="l01006" name="l01006"></a><span class="lineno"> 1006</span>    DAT_rtc_gpio_reg[0]  = rtc_gpio_desc[port0_datGPIO].reg;</div>
<div class="line"><a id="l01007" name="l01007"></a><span class="lineno"> 1007</span>    DAT_rtc_gpio_ie_s[0] = (uint32_t) ffs(rtc_gpio_desc[port0_datGPIO].ie) - 1;</div>
<div class="line"><a id="l01008" name="l01008"></a><span class="lineno"> 1008</span><span class="preprocessor">    #else</span></div>
<div class="line"><a id="l01009" name="l01009"></a><span class="lineno"> 1009</span>    <span class="keywordtype">int</span> port0_clkIO = rtc_io_number_get(port0_clkGPIO);</div>
<div class="line"><a id="l01010" name="l01010"></a><span class="lineno"> 1010</span>    CLK_rtc_gpio_num[0]  = port0_clkIO;</div>
<div class="line"><a id="l01011" name="l01011"></a><span class="lineno"> 1011</span>    CLK_rtc_gpio_reg[0]  = rtc_io_desc[port0_clkIO].reg;</div>
<div class="line"><a id="l01012" name="l01012"></a><span class="lineno"> 1012</span>    CLK_rtc_gpio_ie_s[0] = (uint32_t) ffs(rtc_io_desc[port0_clkIO].ie) - 1;</div>
<div class="line"><a id="l01013" name="l01013"></a><span class="lineno"> 1013</span>    <span class="keywordtype">int</span> port0_datIO = rtc_io_number_get(port0_datGPIO);</div>
<div class="line"><a id="l01014" name="l01014"></a><span class="lineno"> 1014</span>    DAT_rtc_gpio_num[0]  = port0_datIO;</div>
<div class="line"><a id="l01015" name="l01015"></a><span class="lineno"> 1015</span>    DAT_rtc_gpio_reg[0]  = rtc_io_desc[port0_datIO].reg;</div>
<div class="line"><a id="l01016" name="l01016"></a><span class="lineno"> 1016</span>    DAT_rtc_gpio_ie_s[0] = (uint32_t) ffs(rtc_io_desc[port0_datIO].ie) - 1;</div>
<div class="line"><a id="l01017" name="l01017"></a><span class="lineno"> 1017</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l01018" name="l01018"></a><span class="lineno"> 1018</span>  }</div>
<div class="line"><a id="l01019" name="l01019"></a><span class="lineno"> 1019</span> </div>
<div class="line"><a id="l01020" name="l01020"></a><span class="lineno"> 1020</span>  <span class="keywordflow">if</span> (port1Enabled) {</div>
<div class="line"><a id="l01021" name="l01021"></a><span class="lineno"> 1021</span><span class="preprocessor">    #if FABGL_ESP_IDF_VERSION &lt;= FABGL_ESP_IDF_VERSION_VAL(3, 3, 5)</span></div>
<div class="line"><a id="l01022" name="l01022"></a><span class="lineno"> 1022</span>    CLK_rtc_gpio_num[1]  = (uint32_t) rtc_gpio_desc[port1_clkGPIO].rtc_num;</div>
<div class="line"><a id="l01023" name="l01023"></a><span class="lineno"> 1023</span>    CLK_rtc_gpio_reg[1]  = rtc_gpio_desc[port1_clkGPIO].reg;</div>
<div class="line"><a id="l01024" name="l01024"></a><span class="lineno"> 1024</span>    CLK_rtc_gpio_ie_s[1] = (uint32_t) ffs(rtc_gpio_desc[port1_clkGPIO].ie) - 1;</div>
<div class="line"><a id="l01025" name="l01025"></a><span class="lineno"> 1025</span>    DAT_rtc_gpio_num[1]  = (uint32_t) rtc_gpio_desc[port1_datGPIO].rtc_num;</div>
<div class="line"><a id="l01026" name="l01026"></a><span class="lineno"> 1026</span>    DAT_rtc_gpio_reg[1]  = rtc_gpio_desc[port1_datGPIO].reg;</div>
<div class="line"><a id="l01027" name="l01027"></a><span class="lineno"> 1027</span>    DAT_rtc_gpio_ie_s[1] = (uint32_t) ffs(rtc_gpio_desc[port1_datGPIO].ie) - 1;</div>
<div class="line"><a id="l01028" name="l01028"></a><span class="lineno"> 1028</span><span class="preprocessor">    #else</span></div>
<div class="line"><a id="l01029" name="l01029"></a><span class="lineno"> 1029</span>    <span class="keywordtype">int</span> port1_clkIO = rtc_io_number_get(port1_clkGPIO);</div>
<div class="line"><a id="l01030" name="l01030"></a><span class="lineno"> 1030</span>    CLK_rtc_gpio_num[1]  = port1_clkIO;</div>
<div class="line"><a id="l01031" name="l01031"></a><span class="lineno"> 1031</span>    CLK_rtc_gpio_reg[1]  = rtc_io_desc[port1_clkIO].reg;</div>
<div class="line"><a id="l01032" name="l01032"></a><span class="lineno"> 1032</span>    CLK_rtc_gpio_ie_s[1] = (uint32_t) ffs(rtc_io_desc[port1_clkIO].ie) - 1;</div>
<div class="line"><a id="l01033" name="l01033"></a><span class="lineno"> 1033</span>    <span class="keywordtype">int</span> port1_datIO = rtc_io_number_get(port1_datGPIO);</div>
<div class="line"><a id="l01034" name="l01034"></a><span class="lineno"> 1034</span>    DAT_rtc_gpio_num[1]  = port1_datIO;</div>
<div class="line"><a id="l01035" name="l01035"></a><span class="lineno"> 1035</span>    DAT_rtc_gpio_reg[1]  = rtc_io_desc[port1_datIO].reg;</div>
<div class="line"><a id="l01036" name="l01036"></a><span class="lineno"> 1036</span>    DAT_rtc_gpio_ie_s[1] = (uint32_t) ffs(rtc_io_desc[port1_datIO].ie) - 1;</div>
<div class="line"><a id="l01037" name="l01037"></a><span class="lineno"> 1037</span><span class="preprocessor">    #endif</span></div>
<div class="line"><a id="l01038" name="l01038"></a><span class="lineno"> 1038</span>  }</div>
<div class="line"><a id="l01039" name="l01039"></a><span class="lineno"> 1039</span> </div>
<div class="line"><a id="l01040" name="l01040"></a><span class="lineno"> 1040</span>  <span class="keywordflow">for</span> (uint32_t i = 0; i &lt; size; ++i) {</div>
<div class="line"><a id="l01041" name="l01041"></a><span class="lineno"> 1041</span>    ulp_insn_t * ins = (ulp_insn_t *) RTC_SLOW_MEM + i;</div>
<div class="line"><a id="l01042" name="l01042"></a><span class="lineno"> 1042</span>    <span class="keywordflow">if</span> (ins-&gt;macro.opcode == OPCODE_PLACEHOLDER) {</div>
<div class="line"><a id="l01043" name="l01043"></a><span class="lineno"> 1043</span>      <span class="keywordtype">int</span> ps2port = ins-&gt;macro.unused;</div>
<div class="line"><a id="l01044" name="l01044"></a><span class="lineno"> 1044</span>      <span class="keywordflow">if</span> ((port0Enabled &amp;&amp; ps2port == 0) || (port1Enabled &amp;&amp; ps2port == 1)) {</div>
<div class="line"><a id="l01045" name="l01045"></a><span class="lineno"> 1045</span>        ins-&gt;macro.unused = 0;</div>
<div class="line"><a id="l01046" name="l01046"></a><span class="lineno"> 1046</span>        <span class="keywordflow">switch</span> (ins-&gt;macro.sub_opcode) {</div>
<div class="line"><a id="l01047" name="l01047"></a><span class="lineno"> 1047</span>          <span class="keywordflow">case</span> SUB_OPCODE_DAT_ENABLE_OUTPUT:</div>
<div class="line"><a id="l01048" name="l01048"></a><span class="lineno"> 1048</span>            <span class="keywordflow">if</span> (ins-&gt;macro.label)</div>
<div class="line"><a id="l01049" name="l01049"></a><span class="lineno"> 1049</span>              *ins = (ulp_insn_t) I_WR_REG_BIT(RTC_GPIO_ENABLE_W1TS_REG, DAT_rtc_gpio_num[ps2port] + RTC_GPIO_ENABLE_W1TS_S, 1);</div>
<div class="line"><a id="l01050" name="l01050"></a><span class="lineno"> 1050</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l01051" name="l01051"></a><span class="lineno"> 1051</span>              *ins = (ulp_insn_t) I_WR_REG_BIT(RTC_GPIO_ENABLE_W1TC_REG, DAT_rtc_gpio_num[ps2port] + RTC_GPIO_ENABLE_W1TC_S, 1);</div>
<div class="line"><a id="l01052" name="l01052"></a><span class="lineno"> 1052</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01053" name="l01053"></a><span class="lineno"> 1053</span>          <span class="keywordflow">case</span> SUB_OPCODE_DAT_ENABLE_INPUT:</div>
<div class="line"><a id="l01054" name="l01054"></a><span class="lineno"> 1054</span>            *ins = (ulp_insn_t) I_WR_REG_BIT(DAT_rtc_gpio_reg[ps2port], DAT_rtc_gpio_ie_s[ps2port], ins-&gt;macro.label);</div>
<div class="line"><a id="l01055" name="l01055"></a><span class="lineno"> 1055</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01056" name="l01056"></a><span class="lineno"> 1056</span>          <span class="keywordflow">case</span> SUB_OPCODE_CLK_ENABLE_OUTPUT:</div>
<div class="line"><a id="l01057" name="l01057"></a><span class="lineno"> 1057</span>            <span class="keywordflow">if</span> (ins-&gt;macro.label)</div>
<div class="line"><a id="l01058" name="l01058"></a><span class="lineno"> 1058</span>              *ins = (ulp_insn_t) I_WR_REG_BIT(RTC_GPIO_ENABLE_W1TS_REG, CLK_rtc_gpio_num[ps2port] + RTC_GPIO_ENABLE_W1TS_S, 1);</div>
<div class="line"><a id="l01059" name="l01059"></a><span class="lineno"> 1059</span>            <span class="keywordflow">else</span></div>
<div class="line"><a id="l01060" name="l01060"></a><span class="lineno"> 1060</span>              *ins = (ulp_insn_t) I_WR_REG_BIT(RTC_GPIO_ENABLE_W1TC_REG, CLK_rtc_gpio_num[ps2port] + RTC_GPIO_ENABLE_W1TC_S, 1);</div>
<div class="line"><a id="l01061" name="l01061"></a><span class="lineno"> 1061</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01062" name="l01062"></a><span class="lineno"> 1062</span>          <span class="keywordflow">case</span> SUB_OPCODE_CLK_ENABLE_INPUT:</div>
<div class="line"><a id="l01063" name="l01063"></a><span class="lineno"> 1063</span>            *ins = (ulp_insn_t) I_WR_REG_BIT(CLK_rtc_gpio_reg[ps2port], CLK_rtc_gpio_ie_s[ps2port], ins-&gt;macro.label);</div>
<div class="line"><a id="l01064" name="l01064"></a><span class="lineno"> 1064</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01065" name="l01065"></a><span class="lineno"> 1065</span>          <span class="keywordflow">case</span> SUB_OPCODE_READ_CLK:</div>
<div class="line"><a id="l01066" name="l01066"></a><span class="lineno"> 1066</span>            *ins = (ulp_insn_t) I_RD_REG(RTC_GPIO_IN_REG, CLK_rtc_gpio_num[ps2port] + RTC_GPIO_IN_NEXT_S, CLK_rtc_gpio_num[ps2port] + RTC_GPIO_IN_NEXT_S);</div>
<div class="line"><a id="l01067" name="l01067"></a><span class="lineno"> 1067</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01068" name="l01068"></a><span class="lineno"> 1068</span>          <span class="keywordflow">case</span> SUB_OPCODE_READ_DAT:</div>
<div class="line"><a id="l01069" name="l01069"></a><span class="lineno"> 1069</span>            *ins = (ulp_insn_t) I_RD_REG(RTC_GPIO_IN_REG, DAT_rtc_gpio_num[ps2port] + RTC_GPIO_IN_NEXT_S, DAT_rtc_gpio_num[ps2port] + RTC_GPIO_IN_NEXT_S);</div>
<div class="line"><a id="l01070" name="l01070"></a><span class="lineno"> 1070</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01071" name="l01071"></a><span class="lineno"> 1071</span>          <span class="keywordflow">case</span> SUB_OPCODE_WRITE_CLK:</div>
<div class="line"><a id="l01072" name="l01072"></a><span class="lineno"> 1072</span>            *ins = (ulp_insn_t) I_WR_REG_BIT(RTC_GPIO_OUT_REG, CLK_rtc_gpio_num[ps2port] + RTC_GPIO_IN_NEXT_S, ins-&gt;macro.label);</div>
<div class="line"><a id="l01073" name="l01073"></a><span class="lineno"> 1073</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01074" name="l01074"></a><span class="lineno"> 1074</span>          <span class="keywordflow">case</span> SUB_OPCODE_WRITE_DAT:</div>
<div class="line"><a id="l01075" name="l01075"></a><span class="lineno"> 1075</span>            *ins = (ulp_insn_t) I_WR_REG_BIT(RTC_GPIO_OUT_REG, DAT_rtc_gpio_num[ps2port] + RTC_GPIO_IN_NEXT_S, ins-&gt;macro.label);</div>
<div class="line"><a id="l01076" name="l01076"></a><span class="lineno"> 1076</span>            <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01077" name="l01077"></a><span class="lineno"> 1077</span>        }</div>
<div class="line"><a id="l01078" name="l01078"></a><span class="lineno"> 1078</span>      }</div>
<div class="line"><a id="l01079" name="l01079"></a><span class="lineno"> 1079</span>    }</div>
<div class="line"><a id="l01080" name="l01080"></a><span class="lineno"> 1080</span>  }</div>
<div class="line"><a id="l01081" name="l01081"></a><span class="lineno"> 1081</span>}</div>
<div class="line"><a id="l01082" name="l01082"></a><span class="lineno"> 1082</span> </div>
<div class="line"><a id="l01083" name="l01083"></a><span class="lineno"> 1083</span> </div>
<div class="line"><a id="l01084" name="l01084"></a><span class="lineno"> 1084</span>PS2Controller *    PS2Controller::s_instance = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01085" name="l01085"></a><span class="lineno"> 1085</span>Keyboard *         PS2Controller::s_keyboard = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01086" name="l01086"></a><span class="lineno"> 1086</span>Mouse *            PS2Controller::s_mouse    = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01087" name="l01087"></a><span class="lineno"> 1087</span><span class="keywordtype">bool</span>               PS2Controller::s_keyboardAllocated = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01088" name="l01088"></a><span class="lineno"> 1088</span><span class="keywordtype">bool</span>               PS2Controller::s_mouseAllocated    = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01089" name="l01089"></a><span class="lineno"> 1089</span><span class="keywordtype">bool</span>               PS2Controller::s_portEnabled[2];</div>
<div class="line"><a id="l01090" name="l01090"></a><span class="lineno"> 1090</span>intr_handle_t      PS2Controller::s_ULPWakeISRHandle;</div>
<div class="line"><a id="l01091" name="l01091"></a><span class="lineno"> 1091</span><span class="keywordtype">bool</span>               PS2Controller::s_parityError[2];</div>
<div class="line"><a id="l01092" name="l01092"></a><span class="lineno"> 1092</span><span class="keywordtype">bool</span>               PS2Controller::s_syncError[2];</div>
<div class="line"><a id="l01093" name="l01093"></a><span class="lineno"> 1093</span><span class="keywordtype">bool</span>               PS2Controller::s_CLKTimeOutError[2];</div>
<div class="line"><a id="l01094" name="l01094"></a><span class="lineno"> 1094</span>QueueHandle_t      PS2Controller::s_dataIn[2];</div>
<div class="line"><a id="l01095" name="l01095"></a><span class="lineno"> 1095</span>SemaphoreHandle_t  PS2Controller::s_portLock[2];</div>
<div class="line"><a id="l01096" name="l01096"></a><span class="lineno"> 1096</span><span class="keywordtype">bool</span>               PS2Controller::s_initDone = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01097" name="l01097"></a><span class="lineno"> 1097</span> </div>
<div class="line"><a id="l01098" name="l01098"></a><span class="lineno"> 1098</span> </div>
<div class="line"><a id="l01099" name="l01099"></a><span class="lineno"> 1099</span>PS2Controller::PS2Controller()</div>
<div class="line"><a id="l01100" name="l01100"></a><span class="lineno"> 1100</span>{</div>
<div class="line"><a id="l01101" name="l01101"></a><span class="lineno"> 1101</span>  <span class="keywordflow">if</span> (!s_instance)</div>
<div class="line"><a id="l01102" name="l01102"></a><span class="lineno"> 1102</span>    s_instance = <span class="keyword">this</span>;</div>
<div class="line"><a id="l01103" name="l01103"></a><span class="lineno"> 1103</span>}</div>
<div class="line"><a id="l01104" name="l01104"></a><span class="lineno"> 1104</span> </div>
<div class="line"><a id="l01105" name="l01105"></a><span class="lineno"> 1105</span> </div>
<div class="line"><a id="l01106" name="l01106"></a><span class="lineno"> 1106</span>PS2Controller::~PS2Controller()</div>
<div class="line"><a id="l01107" name="l01107"></a><span class="lineno"> 1107</span>{</div>
<div class="line"><a id="l01108" name="l01108"></a><span class="lineno"> 1108</span>  end();</div>
<div class="line"><a id="l01109" name="l01109"></a><span class="lineno"> 1109</span>  <span class="keywordflow">if</span> (<span class="keyword">this</span> == s_instance)</div>
<div class="line"><a id="l01110" name="l01110"></a><span class="lineno"> 1110</span>    s_instance = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01111" name="l01111"></a><span class="lineno"> 1111</span>}</div>
<div class="line"><a id="l01112" name="l01112"></a><span class="lineno"> 1112</span> </div>
<div class="line"><a id="l01113" name="l01113"></a><span class="lineno"> 1113</span> </div>
<div class="line"><a id="l01114" name="l01114"></a><span class="lineno"> 1114</span><span class="comment">// Note: GPIO_UNUSED is a placeholder used to disable PS/2 port 1.</span></div>
<div class="line"><a id="l01115" name="l01115"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09"> 1115</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">PS2Controller::begin</a>(gpio_num_t port0_clkGPIO, gpio_num_t port0_datGPIO, gpio_num_t port1_clkGPIO, gpio_num_t port1_datGPIO)</div>
<div class="line"><a id="l01116" name="l01116"></a><span class="lineno"> 1116</span>{</div>
<div class="line"><a id="l01117" name="l01117"></a><span class="lineno"> 1117</span>  <span class="comment">// ULP stuff is always active, even when end() is called</span></div>
<div class="line"><a id="l01118" name="l01118"></a><span class="lineno"> 1118</span>  <span class="keywordflow">if</span> (!s_initDone) {</div>
<div class="line"><a id="l01119" name="l01119"></a><span class="lineno"> 1119</span> </div>
<div class="line"><a id="l01120" name="l01120"></a><span class="lineno"> 1120</span>    s_portEnabled[0] = (port0_clkGPIO != GPIO_UNUSED &amp;&amp; port0_datGPIO != GPIO_UNUSED);</div>
<div class="line"><a id="l01121" name="l01121"></a><span class="lineno"> 1121</span>    s_portEnabled[1] = (port1_clkGPIO != GPIO_UNUSED &amp;&amp; port1_datGPIO != GPIO_UNUSED);</div>
<div class="line"><a id="l01122" name="l01122"></a><span class="lineno"> 1122</span> </div>
<div class="line"><a id="l01123" name="l01123"></a><span class="lineno"> 1123</span>    <span class="keywordflow">if</span> (s_portEnabled[0]) {</div>
<div class="line"><a id="l01124" name="l01124"></a><span class="lineno"> 1124</span>      <span class="keywordflow">if</span> (!rtc_gpio_is_valid_gpio(port0_clkGPIO) || !rtc_gpio_is_valid_gpio(port0_datGPIO)) {</div>
<div class="line"><a id="l01125" name="l01125"></a><span class="lineno"> 1125</span>        ESP_LOGE(<span class="stringliteral">&quot;FabGL&quot;</span>, <span class="stringliteral">&quot;Invalid PS/2 Port 0 pins&quot;</span>);</div>
<div class="line"><a id="l01126" name="l01126"></a><span class="lineno"> 1126</span>        s_portEnabled[0] = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01127" name="l01127"></a><span class="lineno"> 1127</span>      } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01128" name="l01128"></a><span class="lineno"> 1128</span>        rtc_gpio_init(port0_clkGPIO);</div>
<div class="line"><a id="l01129" name="l01129"></a><span class="lineno"> 1129</span>        rtc_gpio_init(port0_datGPIO);</div>
<div class="line"><a id="l01130" name="l01130"></a><span class="lineno"> 1130</span>      }</div>
<div class="line"><a id="l01131" name="l01131"></a><span class="lineno"> 1131</span>    }</div>
<div class="line"><a id="l01132" name="l01132"></a><span class="lineno"> 1132</span> </div>
<div class="line"><a id="l01133" name="l01133"></a><span class="lineno"> 1133</span>    <span class="keywordflow">if</span> (s_portEnabled[1]) {</div>
<div class="line"><a id="l01134" name="l01134"></a><span class="lineno"> 1134</span>      <span class="keywordflow">if</span> (!rtc_gpio_is_valid_gpio(port1_clkGPIO) || !rtc_gpio_is_valid_gpio(port1_datGPIO)) {</div>
<div class="line"><a id="l01135" name="l01135"></a><span class="lineno"> 1135</span>        ESP_LOGE(<span class="stringliteral">&quot;FabGL&quot;</span>, <span class="stringliteral">&quot;Invalid PS/2 Port 1 pins&quot;</span>);</div>
<div class="line"><a id="l01136" name="l01136"></a><span class="lineno"> 1136</span>        s_portEnabled[1] = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01137" name="l01137"></a><span class="lineno"> 1137</span>      } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01138" name="l01138"></a><span class="lineno"> 1138</span>        rtc_gpio_init(port1_clkGPIO);</div>
<div class="line"><a id="l01139" name="l01139"></a><span class="lineno"> 1139</span>        rtc_gpio_init(port1_datGPIO);</div>
<div class="line"><a id="l01140" name="l01140"></a><span class="lineno"> 1140</span>      }</div>
<div class="line"><a id="l01141" name="l01141"></a><span class="lineno"> 1141</span>    }</div>
<div class="line"><a id="l01142" name="l01142"></a><span class="lineno"> 1142</span> </div>
<div class="line"><a id="l01143" name="l01143"></a><span class="lineno"> 1143</span>    <span class="comment">// clear ULP memory (without this may fail to run ULP on softreset)</span></div>
<div class="line"><a id="l01144" name="l01144"></a><span class="lineno"> 1144</span>    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = RTCMEM_PROG_START; i &lt; RTCMEM_LASTVAR; ++i)</div>
<div class="line"><a id="l01145" name="l01145"></a><span class="lineno"> 1145</span>      RTC_SLOW_MEM[i] = 0x0000;</div>
<div class="line"><a id="l01146" name="l01146"></a><span class="lineno"> 1146</span> </div>
<div class="line"><a id="l01147" name="l01147"></a><span class="lineno"> 1147</span>    <span class="comment">// process, load and execute ULP program</span></div>
<div class="line"><a id="l01148" name="l01148"></a><span class="lineno"> 1148</span>    <span class="keywordtype">size_t</span> size = <span class="keyword">sizeof</span>(ULP_code) / <span class="keyword">sizeof</span>(ulp_insn_t);</div>
<div class="line"><a id="l01149" name="l01149"></a><span class="lineno"> 1149</span>    ulp_process_macros_and_load_ex(RTCMEM_PROG_START, ULP_code, &amp;size);         <span class="comment">// convert macros to ULP code</span></div>
<div class="line"><a id="l01150" name="l01150"></a><span class="lineno"> 1150</span>    replace_placeholders(RTCMEM_PROG_START, size, s_portEnabled[0], port0_clkGPIO, port0_datGPIO, s_portEnabled[1], port1_clkGPIO, port1_datGPIO); <span class="comment">// replace GPIO placeholders</span></div>
<div class="line"><a id="l01151" name="l01151"></a><span class="lineno"> 1151</span>    <span class="comment">//printf(&quot;prog size = %d\n&quot;, size);</span></div>
<div class="line"><a id="l01152" name="l01152"></a><span class="lineno"> 1152</span>    assert(size &lt; RTCMEM_VARS_START &amp;&amp; <span class="stringliteral">&quot;ULP Program too long, increase RTCMEM_VARS_START&quot;</span>);</div>
<div class="line"><a id="l01153" name="l01153"></a><span class="lineno"> 1153</span> </div>
<div class="line"><a id="l01154" name="l01154"></a><span class="lineno"> 1154</span>    REG_SET_FIELD(SENS_SAR_START_FORCE_REG, SENS_PC_INIT, RTCMEM_PROG_START);   <span class="comment">// set entry point</span></div>
<div class="line"><a id="l01155" name="l01155"></a><span class="lineno"> 1155</span>    SET_PERI_REG_MASK(SENS_SAR_START_FORCE_REG, SENS_ULP_CP_FORCE_START_TOP);   <span class="comment">// enable FORCE START</span></div>
<div class="line"><a id="l01156" name="l01156"></a><span class="lineno"> 1156</span> </div>
<div class="line"><a id="l01157" name="l01157"></a><span class="lineno"> 1157</span>    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p &lt; 2; ++p) {</div>
<div class="line"><a id="l01158" name="l01158"></a><span class="lineno"> 1158</span>      RTC_SLOW_MEM[RTCMEM_PORT0_TX + p]         = 0;</div>
<div class="line"><a id="l01159" name="l01159"></a><span class="lineno"> 1159</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX_ENABLE + p]  = 0;</div>
<div class="line"><a id="l01160" name="l01160"></a><span class="lineno"> 1160</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX_DISABLE + p] = 0;</div>
<div class="line"><a id="l01161" name="l01161"></a><span class="lineno"> 1161</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX + p]         = 0;</div>
<div class="line"><a id="l01162" name="l01162"></a><span class="lineno"> 1162</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX_ENABLED + p] = 0;</div>
<div class="line"><a id="l01163" name="l01163"></a><span class="lineno"> 1163</span>      s_parityError[p] = s_syncError[p] = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01164" name="l01164"></a><span class="lineno"> 1164</span>      s_dataIn[p]   = (s_portEnabled[p] ? xQueueCreate(1, <span class="keyword">sizeof</span>(uint16_t)) : <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l01165" name="l01165"></a><span class="lineno"> 1165</span>      s_portLock[p] = (s_portEnabled[p] ? xSemaphoreCreateRecursiveMutex() : <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l01166" name="l01166"></a><span class="lineno"> 1166</span>      <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_afbd77f408f7e0e90acad462c6b31b151.html#afbd77f408f7e0e90acad462c6b31b151">enableRX</a>(p);</div>
<div class="line"><a id="l01167" name="l01167"></a><span class="lineno"> 1167</span>    }</div>
<div class="line"><a id="l01168" name="l01168"></a><span class="lineno"> 1168</span> </div>
<div class="line"><a id="l01169" name="l01169"></a><span class="lineno"> 1169</span>    <span class="comment">// ULP start</span></div>
<div class="line"><a id="l01170" name="l01170"></a><span class="lineno"> 1170</span>    SET_PERI_REG_MASK(SENS_SAR_START_FORCE_REG, SENS_ULP_CP_START_TOP);</div>
<div class="line"><a id="l01171" name="l01171"></a><span class="lineno"> 1171</span> </div>
<div class="line"><a id="l01172" name="l01172"></a><span class="lineno"> 1172</span>    <span class="comment">// install RTC interrupt handler (on ULP Wake() instruction)</span></div>
<div class="line"><a id="l01173" name="l01173"></a><span class="lineno"> 1173</span>    <span class="comment">// note about ESP_INTR_FLAG_LEVEL2: this is necessary in order to work reliably with interrupt intensive VGATextController, when running on the same core</span></div>
<div class="line"><a id="l01174" name="l01174"></a><span class="lineno"> 1174</span>    <span class="comment">// On some boards only core &quot;1&quot; can -read- RTC slow memory and receive interrupts, hence we have to force core 1.</span></div>
<div class="line"><a id="l01175" name="l01175"></a><span class="lineno"> 1175</span>    esp_intr_alloc_pinnedToCore(ETS_RTC_CORE_INTR_SOURCE, ESP_INTR_FLAG_LEVEL2, ULPWakeISR, <span class="keyword">nullptr</span>, &amp;s_ULPWakeISRHandle, 1);</div>
<div class="line"><a id="l01176" name="l01176"></a><span class="lineno"> 1176</span>    SET_PERI_REG_MASK(RTC_CNTL_INT_ENA_REG, RTC_CNTL_ULP_CP_INT_ENA);</div>
<div class="line"><a id="l01177" name="l01177"></a><span class="lineno"> 1177</span> </div>
<div class="line"><a id="l01178" name="l01178"></a><span class="lineno"> 1178</span>    s_initDone = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01179" name="l01179"></a><span class="lineno"> 1179</span> </div>
<div class="line"><a id="l01180" name="l01180"></a><span class="lineno"> 1180</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a id="l01181" name="l01181"></a><span class="lineno"> 1181</span> </div>
<div class="line"><a id="l01182" name="l01182"></a><span class="lineno"> 1182</span>    <span class="comment">// ULP already initialized</span></div>
<div class="line"><a id="l01183" name="l01183"></a><span class="lineno"> 1183</span>    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p &lt; 2; ++p) {</div>
<div class="line"><a id="l01184" name="l01184"></a><span class="lineno"> 1184</span>      RTC_SLOW_MEM[RTCMEM_PORT0_TX + p]         = 0;</div>
<div class="line"><a id="l01185" name="l01185"></a><span class="lineno"> 1185</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX_ENABLE + p]  = 0;</div>
<div class="line"><a id="l01186" name="l01186"></a><span class="lineno"> 1186</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX_DISABLE + p] = 0;</div>
<div class="line"><a id="l01187" name="l01187"></a><span class="lineno"> 1187</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX + p]         = 0;</div>
<div class="line"><a id="l01188" name="l01188"></a><span class="lineno"> 1188</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX_ENABLED + p] = 0;</div>
<div class="line"><a id="l01189" name="l01189"></a><span class="lineno"> 1189</span>      s_parityError[p] = s_syncError[p] = <span class="keyword">false</span>;</div>
<div class="line"><a id="l01190" name="l01190"></a><span class="lineno"> 1190</span>      <span class="keywordflow">if</span> (s_portEnabled[p]) {</div>
<div class="line"><a id="l01191" name="l01191"></a><span class="lineno"> 1191</span>        xQueueReset(s_dataIn[p]);</div>
<div class="line"><a id="l01192" name="l01192"></a><span class="lineno"> 1192</span>        xSemaphoreGiveRecursive(s_portLock[p]);</div>
<div class="line"><a id="l01193" name="l01193"></a><span class="lineno"> 1193</span>        <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_afbd77f408f7e0e90acad462c6b31b151.html#afbd77f408f7e0e90acad462c6b31b151">enableRX</a>(p);</div>
<div class="line"><a id="l01194" name="l01194"></a><span class="lineno"> 1194</span>      }</div>
<div class="line"><a id="l01195" name="l01195"></a><span class="lineno"> 1195</span>    }</div>
<div class="line"><a id="l01196" name="l01196"></a><span class="lineno"> 1196</span>  }</div>
<div class="line"><a id="l01197" name="l01197"></a><span class="lineno"> 1197</span>}</div>
<div class="line"><a id="l01198" name="l01198"></a><span class="lineno"> 1198</span> </div>
<div class="line"><a id="l01199" name="l01199"></a><span class="lineno"> 1199</span> </div>
<div class="line"><a id="l01200" name="l01200"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_a1312be7041fb5bb2a7d3eaf936265bcd.html#a1312be7041fb5bb2a7d3eaf936265bcd"> 1200</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">PS2Controller::begin</a>(<a class="code hl_enumeration" href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#gaca5d0f920057bf01d133384645a654da">PS2Preset</a> preset, <a class="code hl_enumeration" href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#ga5d7071ad7a22fa20e52ba3e855cb4cff">KbdMode</a> keyboardMode)</div>
<div class="line"><a id="l01201" name="l01201"></a><span class="lineno"> 1201</span>{</div>
<div class="line"><a id="l01202" name="l01202"></a><span class="lineno"> 1202</span>  end();</div>
<div class="line"><a id="l01203" name="l01203"></a><span class="lineno"> 1203</span> </div>
<div class="line"><a id="l01204" name="l01204"></a><span class="lineno"> 1204</span>  <span class="keywordtype">bool</span> generateVirtualKeys = (keyboardMode == <a class="code hl_enumvalue" href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#gga5d7071ad7a22fa20e52ba3e855cb4cffa14554899c6e943f788d3652c4c0e11e4">KbdMode::GenerateVirtualKeys</a> || keyboardMode == <a class="code hl_enumvalue" href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#gga5d7071ad7a22fa20e52ba3e855cb4cffa382b3f9e2c83958197e451c23d848f97">KbdMode::CreateVirtualKeysQueue</a>);</div>
<div class="line"><a id="l01205" name="l01205"></a><span class="lineno"> 1205</span>  <span class="keywordtype">bool</span> createVKQueue       = (keyboardMode == <a class="code hl_enumvalue" href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#gga5d7071ad7a22fa20e52ba3e855cb4cffa382b3f9e2c83958197e451c23d848f97">KbdMode::CreateVirtualKeysQueue</a>);</div>
<div class="line"><a id="l01206" name="l01206"></a><span class="lineno"> 1206</span>  <span class="keywordflow">switch</span> (preset) {</div>
<div class="line"><a id="l01207" name="l01207"></a><span class="lineno"> 1207</span>    <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa930833460d824d9daf937c25c8b7ed74">PS2Preset::KeyboardPort0_MousePort1</a>:</div>
<div class="line"><a id="l01208" name="l01208"></a><span class="lineno"> 1208</span>      <span class="comment">// both keyboard (port 0) and mouse configured (port 1)</span></div>
<div class="line"><a id="l01209" name="l01209"></a><span class="lineno"> 1209</span>      <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">begin</a>(GPIO_NUM_33, GPIO_NUM_32, GPIO_NUM_26, GPIO_NUM_27);</div>
<div class="line"><a id="l01210" name="l01210"></a><span class="lineno"> 1210</span>      setKeyboard(<span class="keyword">new</span> <a class="code hl_class" href="classfabgl_1_1_keyboard.html">Keyboard</a>);</div>
<div class="line"><a id="l01211" name="l01211"></a><span class="lineno"> 1211</span>      <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_a9e4c9b217d63aeaf19870e5f88c88d9e.html#a9e4c9b217d63aeaf19870e5f88c88d9e">keyboard</a>()-&gt;<a class="code hl_function" href="classfabgl_1_1_keyboard_a4f1c6a36aae1c88e57c6bc7e05c772d1.html#a4f1c6a36aae1c88e57c6bc7e05c772d1">begin</a>(generateVirtualKeys, createVKQueue, 0);</div>
<div class="line"><a id="l01212" name="l01212"></a><span class="lineno"> 1212</span>      setMouse(<span class="keyword">new</span> <a class="code hl_class" href="classfabgl_1_1_mouse.html">Mouse</a>);</div>
<div class="line"><a id="l01213" name="l01213"></a><span class="lineno"> 1213</span>      <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_a11a1921444fc60b10cf161f433b55499.html#a11a1921444fc60b10cf161f433b55499">mouse</a>()-&gt;<a class="code hl_function" href="classfabgl_1_1_mouse_a56921ef9b7157bb48751c7517531a798.html#a56921ef9b7157bb48751c7517531a798">begin</a>(1);</div>
<div class="line"><a id="l01214" name="l01214"></a><span class="lineno"> 1214</span>      s_keyboardAllocated = s_mouseAllocated = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01215" name="l01215"></a><span class="lineno"> 1215</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01216" name="l01216"></a><span class="lineno"> 1216</span>    <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daab76bbc57fe0157e929fd128e8a53f907">PS2Preset::KeyboardPort1_MousePort0</a>:</div>
<div class="line"><a id="l01217" name="l01217"></a><span class="lineno"> 1217</span>      <span class="comment">// both keyboard (port 1) and mouse configured (port 0)</span></div>
<div class="line"><a id="l01218" name="l01218"></a><span class="lineno"> 1218</span>      <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">begin</a>(GPIO_NUM_33, GPIO_NUM_32, GPIO_NUM_26, GPIO_NUM_27);</div>
<div class="line"><a id="l01219" name="l01219"></a><span class="lineno"> 1219</span>      setMouse(<span class="keyword">new</span> <a class="code hl_class" href="classfabgl_1_1_mouse.html">Mouse</a>);</div>
<div class="line"><a id="l01220" name="l01220"></a><span class="lineno"> 1220</span>      <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_a11a1921444fc60b10cf161f433b55499.html#a11a1921444fc60b10cf161f433b55499">mouse</a>()-&gt;<a class="code hl_function" href="classfabgl_1_1_mouse_a56921ef9b7157bb48751c7517531a798.html#a56921ef9b7157bb48751c7517531a798">begin</a>(0);</div>
<div class="line"><a id="l01221" name="l01221"></a><span class="lineno"> 1221</span>      setKeyboard(<span class="keyword">new</span> <a class="code hl_class" href="classfabgl_1_1_keyboard.html">Keyboard</a>);</div>
<div class="line"><a id="l01222" name="l01222"></a><span class="lineno"> 1222</span>      <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_a9e4c9b217d63aeaf19870e5f88c88d9e.html#a9e4c9b217d63aeaf19870e5f88c88d9e">keyboard</a>()-&gt;<a class="code hl_function" href="classfabgl_1_1_keyboard_a4f1c6a36aae1c88e57c6bc7e05c772d1.html#a4f1c6a36aae1c88e57c6bc7e05c772d1">begin</a>(generateVirtualKeys, createVKQueue, 1);</div>
<div class="line"><a id="l01223" name="l01223"></a><span class="lineno"> 1223</span>      s_keyboardAllocated = s_mouseAllocated = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01224" name="l01224"></a><span class="lineno"> 1224</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01225" name="l01225"></a><span class="lineno"> 1225</span>    <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa140efa5bba007b81c709c0dc5f443ef7">PS2Preset::KeyboardPort0</a>:</div>
<div class="line"><a id="l01226" name="l01226"></a><span class="lineno"> 1226</span>      <span class="comment">// only keyboard configured on port 0</span></div>
<div class="line"><a id="l01227" name="l01227"></a><span class="lineno"> 1227</span>      <span class="comment">// this will call setKeyboard and begin()</span></div>
<div class="line"><a id="l01228" name="l01228"></a><span class="lineno"> 1228</span>      (<span class="keyword">new</span> <a class="code hl_class" href="classfabgl_1_1_keyboard.html">Keyboard</a>)-&gt;<a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">begin</a>(GPIO_NUM_33, GPIO_NUM_32, generateVirtualKeys, createVKQueue);</div>
<div class="line"><a id="l01229" name="l01229"></a><span class="lineno"> 1229</span>      s_keyboardAllocated = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01230" name="l01230"></a><span class="lineno"> 1230</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01231" name="l01231"></a><span class="lineno"> 1231</span>    <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa57f4b4de9e4e8642525f0cd7c991283d">PS2Preset::KeyboardPort1</a>:</div>
<div class="line"><a id="l01232" name="l01232"></a><span class="lineno"> 1232</span>      <span class="comment">// only keyboard configured on port 1</span></div>
<div class="line"><a id="l01233" name="l01233"></a><span class="lineno"> 1233</span>      <span class="comment">// this will call setKeyboard and begin()</span></div>
<div class="line"><a id="l01234" name="l01234"></a><span class="lineno"> 1234</span>      (<span class="keyword">new</span> <a class="code hl_class" href="classfabgl_1_1_keyboard.html">Keyboard</a>)-&gt;<a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">begin</a>(GPIO_NUM_26, GPIO_NUM_27, generateVirtualKeys, createVKQueue);</div>
<div class="line"><a id="l01235" name="l01235"></a><span class="lineno"> 1235</span>      s_keyboardAllocated = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01236" name="l01236"></a><span class="lineno"> 1236</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01237" name="l01237"></a><span class="lineno"> 1237</span>    <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daab315933e6f8a71499678887626ae5fd4">PS2Preset::MousePort0</a>:</div>
<div class="line"><a id="l01238" name="l01238"></a><span class="lineno"> 1238</span>      <span class="comment">// only mouse configured on port 0</span></div>
<div class="line"><a id="l01239" name="l01239"></a><span class="lineno"> 1239</span>      <span class="comment">// this will call setMouse and begin()</span></div>
<div class="line"><a id="l01240" name="l01240"></a><span class="lineno"> 1240</span>      (<span class="keyword">new</span> <a class="code hl_class" href="classfabgl_1_1_mouse.html">Mouse</a>)-&gt;<a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">begin</a>(GPIO_NUM_33, GPIO_NUM_32);</div>
<div class="line"><a id="l01241" name="l01241"></a><span class="lineno"> 1241</span>      s_mouseAllocated = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01242" name="l01242"></a><span class="lineno"> 1242</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01243" name="l01243"></a><span class="lineno"> 1243</span>    <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa0e528e35537f6d49cb912f4bcaaf5c12">PS2Preset::MousePort1</a>:</div>
<div class="line"><a id="l01244" name="l01244"></a><span class="lineno"> 1244</span>      <span class="comment">// only mouse configured on port 1</span></div>
<div class="line"><a id="l01245" name="l01245"></a><span class="lineno"> 1245</span>      <span class="comment">// this will call setMouse and begin()</span></div>
<div class="line"><a id="l01246" name="l01246"></a><span class="lineno"> 1246</span>      (<span class="keyword">new</span> <a class="code hl_class" href="classfabgl_1_1_mouse.html">Mouse</a>)-&gt;<a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">begin</a>(GPIO_NUM_26, GPIO_NUM_27);</div>
<div class="line"><a id="l01247" name="l01247"></a><span class="lineno"> 1247</span>      s_mouseAllocated = <span class="keyword">true</span>;</div>
<div class="line"><a id="l01248" name="l01248"></a><span class="lineno"> 1248</span>      <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l01249" name="l01249"></a><span class="lineno"> 1249</span>  };</div>
<div class="line"><a id="l01250" name="l01250"></a><span class="lineno"> 1250</span>}</div>
<div class="line"><a id="l01251" name="l01251"></a><span class="lineno"> 1251</span> </div>
<div class="line"><a id="l01252" name="l01252"></a><span class="lineno"> 1252</span> </div>
<div class="line"><a id="l01253" name="l01253"></a><span class="lineno"> 1253</span><span class="keywordtype">void</span> PS2Controller::end()</div>
<div class="line"><a id="l01254" name="l01254"></a><span class="lineno"> 1254</span>{</div>
<div class="line"><a id="l01255" name="l01255"></a><span class="lineno"> 1255</span>  <span class="keywordflow">if</span> (s_initDone) {</div>
<div class="line"><a id="l01256" name="l01256"></a><span class="lineno"> 1256</span>    <span class="keywordflow">if</span> (s_keyboardAllocated)</div>
<div class="line"><a id="l01257" name="l01257"></a><span class="lineno"> 1257</span>      <span class="keyword">delete</span> s_keyboard;</div>
<div class="line"><a id="l01258" name="l01258"></a><span class="lineno"> 1258</span>    s_keyboard = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01259" name="l01259"></a><span class="lineno"> 1259</span> </div>
<div class="line"><a id="l01260" name="l01260"></a><span class="lineno"> 1260</span>    <span class="keywordflow">if</span> (s_mouseAllocated)</div>
<div class="line"><a id="l01261" name="l01261"></a><span class="lineno"> 1261</span>      <span class="keyword">delete</span> s_mouse;</div>
<div class="line"><a id="l01262" name="l01262"></a><span class="lineno"> 1262</span>    s_mouse = <span class="keyword">nullptr</span>;</div>
<div class="line"><a id="l01263" name="l01263"></a><span class="lineno"> 1263</span> </div>
<div class="line"><a id="l01264" name="l01264"></a><span class="lineno"> 1264</span>    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p &lt; 2; ++p)</div>
<div class="line"><a id="l01265" name="l01265"></a><span class="lineno"> 1265</span>      <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_a6c687ceea5dc73f9c2cfee2c0b5ebe34.html#a6c687ceea5dc73f9c2cfee2c0b5ebe34">disableRX</a>(p);</div>
<div class="line"><a id="l01266" name="l01266"></a><span class="lineno"> 1266</span>  }</div>
<div class="line"><a id="l01267" name="l01267"></a><span class="lineno"> 1267</span>}</div>
<div class="line"><a id="l01268" name="l01268"></a><span class="lineno"> 1268</span> </div>
<div class="line"><a id="l01269" name="l01269"></a><span class="lineno"> 1269</span> </div>
<div class="line"><a id="l01270" name="l01270"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_a6c687ceea5dc73f9c2cfee2c0b5ebe34.html#a6c687ceea5dc73f9c2cfee2c0b5ebe34"> 1270</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_a6c687ceea5dc73f9c2cfee2c0b5ebe34.html#a6c687ceea5dc73f9c2cfee2c0b5ebe34">PS2Controller::disableRX</a>(<span class="keywordtype">int</span> PS2Port)</div>
<div class="line"><a id="l01271" name="l01271"></a><span class="lineno"> 1271</span>{</div>
<div class="line"><a id="l01272" name="l01272"></a><span class="lineno"> 1272</span>  <span class="keywordflow">if</span> (s_portEnabled[PS2Port])</div>
<div class="line"><a id="l01273" name="l01273"></a><span class="lineno"> 1273</span>    RTC_SLOW_MEM[RTCMEM_PORT0_RX_DISABLE + PS2Port] = 1;</div>
<div class="line"><a id="l01274" name="l01274"></a><span class="lineno"> 1274</span>}</div>
<div class="line"><a id="l01275" name="l01275"></a><span class="lineno"> 1275</span> </div>
<div class="line"><a id="l01276" name="l01276"></a><span class="lineno"> 1276</span> </div>
<div class="line"><a id="l01277" name="l01277"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_afbd77f408f7e0e90acad462c6b31b151.html#afbd77f408f7e0e90acad462c6b31b151"> 1277</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_afbd77f408f7e0e90acad462c6b31b151.html#afbd77f408f7e0e90acad462c6b31b151">PS2Controller::enableRX</a>(<span class="keywordtype">int</span> PS2Port)</div>
<div class="line"><a id="l01278" name="l01278"></a><span class="lineno"> 1278</span>{</div>
<div class="line"><a id="l01279" name="l01279"></a><span class="lineno"> 1279</span>  <span class="keywordflow">if</span> (s_portEnabled[PS2Port]) {</div>
<div class="line"><a id="l01280" name="l01280"></a><span class="lineno"> 1280</span>    <span class="comment">// enable RX only if there is not data waiting</span></div>
<div class="line"><a id="l01281" name="l01281"></a><span class="lineno"> 1281</span>    <span class="keywordflow">if</span> (!<a class="code hl_function" href="classfabgl_1_1_p_s2_controller_af28e64e8efcf41c65043da5a1659fe79.html#af28e64e8efcf41c65043da5a1659fe79">dataAvailable</a>(PS2Port))</div>
<div class="line"><a id="l01282" name="l01282"></a><span class="lineno"> 1282</span>      RTC_SLOW_MEM[RTCMEM_PORT0_RX_ENABLE + PS2Port] = 1;</div>
<div class="line"><a id="l01283" name="l01283"></a><span class="lineno"> 1283</span>  }</div>
<div class="line"><a id="l01284" name="l01284"></a><span class="lineno"> 1284</span>}</div>
<div class="line"><a id="l01285" name="l01285"></a><span class="lineno"> 1285</span> </div>
<div class="line"><a id="l01286" name="l01286"></a><span class="lineno"> 1286</span> </div>
<div class="line"><a id="l01287" name="l01287"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_af28e64e8efcf41c65043da5a1659fe79.html#af28e64e8efcf41c65043da5a1659fe79"> 1287</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_af28e64e8efcf41c65043da5a1659fe79.html#af28e64e8efcf41c65043da5a1659fe79">PS2Controller::dataAvailable</a>(<span class="keywordtype">int</span> PS2Port)</div>
<div class="line"><a id="l01288" name="l01288"></a><span class="lineno"> 1288</span>{</div>
<div class="line"><a id="l01289" name="l01289"></a><span class="lineno"> 1289</span>  <span class="keywordflow">return</span> uxQueueMessagesWaiting(s_dataIn[PS2Port]);</div>
<div class="line"><a id="l01290" name="l01290"></a><span class="lineno"> 1290</span>}</div>
<div class="line"><a id="l01291" name="l01291"></a><span class="lineno"> 1291</span> </div>
<div class="line"><a id="l01292" name="l01292"></a><span class="lineno"> 1292</span> </div>
<div class="line"><a id="l01293" name="l01293"></a><span class="lineno"> 1293</span><span class="comment">// return -1 when no data is available</span></div>
<div class="line"><a id="l01294" name="l01294"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_ae8b89edd051fb303d479797506958ab4.html#ae8b89edd051fb303d479797506958ab4"> 1294</a></span><span class="keywordtype">int</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ae8b89edd051fb303d479797506958ab4.html#ae8b89edd051fb303d479797506958ab4">PS2Controller::getData</a>(<span class="keywordtype">int</span> PS2Port, <span class="keywordtype">int</span> timeOutMS)</div>
<div class="line"><a id="l01295" name="l01295"></a><span class="lineno"> 1295</span>{</div>
<div class="line"><a id="l01296" name="l01296"></a><span class="lineno"> 1296</span>  <span class="keywordtype">int</span> r = -1;</div>
<div class="line"><a id="l01297" name="l01297"></a><span class="lineno"> 1297</span> </div>
<div class="line"><a id="l01298" name="l01298"></a><span class="lineno"> 1298</span>  uint16_t w;</div>
<div class="line"><a id="l01299" name="l01299"></a><span class="lineno"> 1299</span>  <span class="keywordflow">if</span> (xQueueReceive(s_dataIn[PS2Port], &amp;w, msToTicks(timeOutMS))) {</div>
<div class="line"><a id="l01300" name="l01300"></a><span class="lineno"> 1300</span> </div>
<div class="line"><a id="l01301" name="l01301"></a><span class="lineno"> 1301</span>    <span class="comment">// check CLK timeout, parity, start and stop bits</span></div>
<div class="line"><a id="l01302" name="l01302"></a><span class="lineno"> 1302</span>    s_CLKTimeOutError[PS2Port] = (w == 0xffff);</div>
<div class="line"><a id="l01303" name="l01303"></a><span class="lineno"> 1303</span>    <span class="keywordflow">if</span> (!s_CLKTimeOutError[PS2Port]) {</div>
<div class="line"><a id="l01304" name="l01304"></a><span class="lineno"> 1304</span>      uint8_t startBit = w &amp; 1;</div>
<div class="line"><a id="l01305" name="l01305"></a><span class="lineno"> 1305</span>      uint8_t stopBit  = (w &gt;&gt; 10) &amp; 1;</div>
<div class="line"><a id="l01306" name="l01306"></a><span class="lineno"> 1306</span>      uint8_t parity   = (w &gt;&gt; 9) &amp; 1;</div>
<div class="line"><a id="l01307" name="l01307"></a><span class="lineno"> 1307</span>      r = (w &gt;&gt; 1) &amp; 0xff;</div>
<div class="line"><a id="l01308" name="l01308"></a><span class="lineno"> 1308</span>      s_parityError[PS2Port] = (parity != !calcParity(r));</div>
<div class="line"><a id="l01309" name="l01309"></a><span class="lineno"> 1309</span>      s_syncError[PS2Port]   = (startBit != 0 || stopBit != 1);</div>
<div class="line"><a id="l01310" name="l01310"></a><span class="lineno"> 1310</span>      <span class="keywordflow">if</span> (s_parityError[PS2Port] || s_syncError[PS2Port])</div>
<div class="line"><a id="l01311" name="l01311"></a><span class="lineno"> 1311</span>        r = -1;</div>
<div class="line"><a id="l01312" name="l01312"></a><span class="lineno"> 1312</span>    }</div>
<div class="line"><a id="l01313" name="l01313"></a><span class="lineno"> 1313</span> </div>
<div class="line"><a id="l01314" name="l01314"></a><span class="lineno"> 1314</span>    <span class="comment">// ULP leaves RX disables whenever receives data or CLK timeout, so we need to enable it here</span></div>
<div class="line"><a id="l01315" name="l01315"></a><span class="lineno"> 1315</span>    RTC_SLOW_MEM[RTCMEM_PORT0_RX_ENABLE + PS2Port] = 1;</div>
<div class="line"><a id="l01316" name="l01316"></a><span class="lineno"> 1316</span> </div>
<div class="line"><a id="l01317" name="l01317"></a><span class="lineno"> 1317</span>  }</div>
<div class="line"><a id="l01318" name="l01318"></a><span class="lineno"> 1318</span> </div>
<div class="line"><a id="l01319" name="l01319"></a><span class="lineno"> 1319</span>  <span class="keywordflow">return</span> r;</div>
<div class="line"><a id="l01320" name="l01320"></a><span class="lineno"> 1320</span>}</div>
<div class="line"><a id="l01321" name="l01321"></a><span class="lineno"> 1321</span> </div>
<div class="line"><a id="l01322" name="l01322"></a><span class="lineno"> 1322</span> </div>
<div class="line"><a id="l01323" name="l01323"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_a1aec7cc0cf5296ccfacd12a38bdd0485.html#a1aec7cc0cf5296ccfacd12a38bdd0485"> 1323</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_a1aec7cc0cf5296ccfacd12a38bdd0485.html#a1aec7cc0cf5296ccfacd12a38bdd0485">PS2Controller::sendData</a>(uint8_t <a class="code hl_variable" href="displaycontroller_8h_a96db82e580e46e24e2b39dd6c5bf7c21.html#a96db82e580e46e24e2b39dd6c5bf7c21">data</a>, <span class="keywordtype">int</span> PS2Port)</div>
<div class="line"><a id="l01324" name="l01324"></a><span class="lineno"> 1324</span>{</div>
<div class="line"><a id="l01325" name="l01325"></a><span class="lineno"> 1325</span>  <span class="keywordflow">if</span> (s_portEnabled[PS2Port]) {</div>
<div class="line"><a id="l01326" name="l01326"></a><span class="lineno"> 1326</span>    RTC_SLOW_MEM[RTCMEM_PORT0_DATAOUT + PS2Port] = 0x200 | ((!calcParity(<a class="code hl_variable" href="displaycontroller_8h_a96db82e580e46e24e2b39dd6c5bf7c21.html#a96db82e580e46e24e2b39dd6c5bf7c21">data</a>) &amp; 1) &lt;&lt; 8) | <a class="code hl_variable" href="displaycontroller_8h_a96db82e580e46e24e2b39dd6c5bf7c21.html#a96db82e580e46e24e2b39dd6c5bf7c21">data</a>;  <span class="comment">// 0x200 = stop bit. Start bit is not specified here.</span></div>
<div class="line"><a id="l01327" name="l01327"></a><span class="lineno"> 1327</span>    RTC_SLOW_MEM[RTCMEM_PORT0_TX + PS2Port]      = 1;</div>
<div class="line"><a id="l01328" name="l01328"></a><span class="lineno"> 1328</span>  }</div>
<div class="line"><a id="l01329" name="l01329"></a><span class="lineno"> 1329</span>}</div>
<div class="line"><a id="l01330" name="l01330"></a><span class="lineno"> 1330</span> </div>
<div class="line"><a id="l01331" name="l01331"></a><span class="lineno"> 1331</span> </div>
<div class="line"><a id="l01332" name="l01332"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_a6142e99b5efb8d565ffea27b6fb50315.html#a6142e99b5efb8d565ffea27b6fb50315"> 1332</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_a6142e99b5efb8d565ffea27b6fb50315.html#a6142e99b5efb8d565ffea27b6fb50315">PS2Controller::lock</a>(<span class="keywordtype">int</span> PS2Port, <span class="keywordtype">int</span> timeOutMS)</div>
<div class="line"><a id="l01333" name="l01333"></a><span class="lineno"> 1333</span>{</div>
<div class="line"><a id="l01334" name="l01334"></a><span class="lineno"> 1334</span>  <span class="keywordflow">return</span> s_portEnabled[PS2Port] ? xSemaphoreTakeRecursive(s_portLock[PS2Port], msToTicks(timeOutMS)) : <span class="keyword">true</span>;</div>
<div class="line"><a id="l01335" name="l01335"></a><span class="lineno"> 1335</span>}</div>
<div class="line"><a id="l01336" name="l01336"></a><span class="lineno"> 1336</span> </div>
<div class="line"><a id="l01337" name="l01337"></a><span class="lineno"> 1337</span> </div>
<div class="line"><a id="l01338" name="l01338"></a><span class="lineno"><a class="line" href="classfabgl_1_1_p_s2_controller_ab247f0736097d58dd4625fb2de3e05b6.html#ab247f0736097d58dd4625fb2de3e05b6"> 1338</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="classfabgl_1_1_p_s2_controller_ab247f0736097d58dd4625fb2de3e05b6.html#ab247f0736097d58dd4625fb2de3e05b6">PS2Controller::unlock</a>(<span class="keywordtype">int</span> PS2Port)</div>
<div class="line"><a id="l01339" name="l01339"></a><span class="lineno"> 1339</span>{</div>
<div class="line"><a id="l01340" name="l01340"></a><span class="lineno"> 1340</span>  <span class="keywordflow">if</span> (s_portEnabled[PS2Port])</div>
<div class="line"><a id="l01341" name="l01341"></a><span class="lineno"> 1341</span>    xSemaphoreGiveRecursive(s_portLock[PS2Port]);</div>
<div class="line"><a id="l01342" name="l01342"></a><span class="lineno"> 1342</span>}</div>
<div class="line"><a id="l01343" name="l01343"></a><span class="lineno"> 1343</span> </div>
<div class="line"><a id="l01344" name="l01344"></a><span class="lineno"> 1344</span> </div>
<div class="line"><a id="l01345" name="l01345"></a><span class="lineno"> 1345</span> </div>
<div class="line"><a id="l01346" name="l01346"></a><span class="lineno"> 1346</span><span class="keywordtype">void</span> IRAM_ATTR PS2Controller::ULPWakeISR(<span class="keywordtype">void</span> * arg)</div>
<div class="line"><a id="l01347" name="l01347"></a><span class="lineno"> 1347</span>{</div>
<div class="line"><a id="l01348" name="l01348"></a><span class="lineno"> 1348</span>  uint32_t rtc_intr = READ_PERI_REG(RTC_CNTL_INT_ST_REG);</div>
<div class="line"><a id="l01349" name="l01349"></a><span class="lineno"> 1349</span> </div>
<div class="line"><a id="l01350" name="l01350"></a><span class="lineno"> 1350</span>  <span class="keywordflow">if</span> (rtc_intr &amp; RTC_CNTL_SAR_INT_ST) {</div>
<div class="line"><a id="l01351" name="l01351"></a><span class="lineno"> 1351</span> </div>
<div class="line"><a id="l01352" name="l01352"></a><span class="lineno"> 1352</span>    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p &lt; 2; ++p) {</div>
<div class="line"><a id="l01353" name="l01353"></a><span class="lineno"> 1353</span>      <span class="keywordflow">if</span> (RTC_SLOW_MEM[RTCMEM_PORT0_RX + p] &amp; 0xffff) {</div>
<div class="line"><a id="l01354" name="l01354"></a><span class="lineno"> 1354</span>        <span class="comment">// RX</span></div>
<div class="line"><a id="l01355" name="l01355"></a><span class="lineno"> 1355</span>        uint16_t d = RTC_SLOW_MEM[RTCMEM_PORT0_DATAIN + p] &amp; 0xffff;</div>
<div class="line"><a id="l01356" name="l01356"></a><span class="lineno"> 1356</span>        xQueueOverwriteFromISR(PS2Controller::s_dataIn[p], &amp;d, <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l01357" name="l01357"></a><span class="lineno"> 1357</span>        RTC_SLOW_MEM[RTCMEM_PORT0_RX + p] = 0;</div>
<div class="line"><a id="l01358" name="l01358"></a><span class="lineno"> 1358</span>      } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (RTC_SLOW_MEM[RTCMEM_PORT0_RX_CLK_TIMEOUT + p] &amp; 0xffff) {</div>
<div class="line"><a id="l01359" name="l01359"></a><span class="lineno"> 1359</span>        <span class="comment">// CLK timeout</span></div>
<div class="line"><a id="l01360" name="l01360"></a><span class="lineno"> 1360</span>        uint16_t d = 0xffff;</div>
<div class="line"><a id="l01361" name="l01361"></a><span class="lineno"> 1361</span>        xQueueOverwriteFromISR(PS2Controller::s_dataIn[p], &amp;d, <span class="keyword">nullptr</span>);</div>
<div class="line"><a id="l01362" name="l01362"></a><span class="lineno"> 1362</span>        RTC_SLOW_MEM[RTCMEM_PORT0_RX_CLK_TIMEOUT + p] = 0;</div>
<div class="line"><a id="l01363" name="l01363"></a><span class="lineno"> 1363</span>      }</div>
<div class="line"><a id="l01364" name="l01364"></a><span class="lineno"> 1364</span>    }</div>
<div class="line"><a id="l01365" name="l01365"></a><span class="lineno"> 1365</span> </div>
<div class="line"><a id="l01366" name="l01366"></a><span class="lineno"> 1366</span>  }</div>
<div class="line"><a id="l01367" name="l01367"></a><span class="lineno"> 1367</span> </div>
<div class="line"><a id="l01368" name="l01368"></a><span class="lineno"> 1368</span>  <span class="comment">// clear interrupt</span></div>
<div class="line"><a id="l01369" name="l01369"></a><span class="lineno"> 1369</span>  WRITE_PERI_REG(RTC_CNTL_INT_CLR_REG, rtc_intr);</div>
<div class="line"><a id="l01370" name="l01370"></a><span class="lineno"> 1370</span>}</div>
<div class="line"><a id="l01371" name="l01371"></a><span class="lineno"> 1371</span> </div>
<div class="line"><a id="l01372" name="l01372"></a><span class="lineno"> 1372</span> </div>
<div class="line"><a id="l01373" name="l01373"></a><span class="lineno"> 1373</span>} <span class="comment">// end of namespace</span></div>
<div class="line"><a id="l01374" name="l01374"></a><span class="lineno"> 1374</span> </div>
<div class="line"><a id="l01375" name="l01375"></a><span class="lineno"> 1375</span> </div>
<div class="ttc" id="aclassfabgl_1_1_keyboard_a4f1c6a36aae1c88e57c6bc7e05c772d1_html_a4f1c6a36aae1c88e57c6bc7e05c772d1"><div class="ttname"><a href="classfabgl_1_1_keyboard_a4f1c6a36aae1c88e57c6bc7e05c772d1.html#a4f1c6a36aae1c88e57c6bc7e05c772d1">fabgl::Keyboard::begin</a></div><div class="ttdeci">void begin(gpio_num_t clkGPIO, gpio_num_t dataGPIO, bool generateVirtualKeys=true, bool createVKQueue=true)</div><div class="ttdoc">Initializes Keyboard specifying CLOCK and DATA GPIOs.</div><div class="ttdef"><b>Definition:</b> <a href="keyboard_8cpp_source.html#l00092">keyboard.cpp:92</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_keyboard_html"><div class="ttname"><a href="classfabgl_1_1_keyboard.html">fabgl::Keyboard</a></div><div class="ttdoc">The PS2 Keyboard controller class.</div><div class="ttdef"><b>Definition:</b> <a href="keyboard_8h_source.html#l00077">keyboard.h:77</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_mouse_a56921ef9b7157bb48751c7517531a798_html_a56921ef9b7157bb48751c7517531a798"><div class="ttname"><a href="classfabgl_1_1_mouse_a56921ef9b7157bb48751c7517531a798.html#a56921ef9b7157bb48751c7517531a798">fabgl::Mouse::begin</a></div><div class="ttdeci">void begin(gpio_num_t clkGPIO, gpio_num_t dataGPIO)</div><div class="ttdoc">Initializes Mouse specifying CLOCK and DATA GPIOs.</div><div class="ttdef"><b>Definition:</b> <a href="mouse_8cpp_source.html#l00083">mouse.cpp:83</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_mouse_html"><div class="ttname"><a href="classfabgl_1_1_mouse.html">fabgl::Mouse</a></div><div class="ttdoc">The PS2 Mouse controller class.</div><div class="ttdef"><b>Definition:</b> <a href="mouse_8h_source.html#l00111">mouse.h:111</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_a11a1921444fc60b10cf161f433b55499_html_a11a1921444fc60b10cf161f433b55499"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_a11a1921444fc60b10cf161f433b55499.html#a11a1921444fc60b10cf161f433b55499">fabgl::PS2Controller::mouse</a></div><div class="ttdeci">static Mouse * mouse()</div><div class="ttdoc">Returns the instance of Mouse object automatically created by PS2Controller.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8h_source.html#l00188">ps2controller.h:188</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_a1aec7cc0cf5296ccfacd12a38bdd0485_html_a1aec7cc0cf5296ccfacd12a38bdd0485"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_a1aec7cc0cf5296ccfacd12a38bdd0485.html#a1aec7cc0cf5296ccfacd12a38bdd0485">fabgl::PS2Controller::sendData</a></div><div class="ttdeci">static void sendData(uint8_t data, int PS2Port)</div><div class="ttdoc">Sends a command to the device.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8cpp_source.html#l01323">ps2controller.cpp:1323</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_a6142e99b5efb8d565ffea27b6fb50315_html_a6142e99b5efb8d565ffea27b6fb50315"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_a6142e99b5efb8d565ffea27b6fb50315.html#a6142e99b5efb8d565ffea27b6fb50315">fabgl::PS2Controller::lock</a></div><div class="ttdeci">static bool lock(int PS2Port, int timeOutMS)</div><div class="ttdoc">Gets exclusive access to the specified PS/2 port.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8cpp_source.html#l01332">ps2controller.cpp:1332</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_a6c687ceea5dc73f9c2cfee2c0b5ebe34_html_a6c687ceea5dc73f9c2cfee2c0b5ebe34"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_a6c687ceea5dc73f9c2cfee2c0b5ebe34.html#a6c687ceea5dc73f9c2cfee2c0b5ebe34">fabgl::PS2Controller::disableRX</a></div><div class="ttdeci">static void disableRX(int PS2Port)</div><div class="ttdoc">Disables inputs from PS/2 port driving the CLK line Low.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8cpp_source.html#l01270">ps2controller.cpp:1270</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_a9e4c9b217d63aeaf19870e5f88c88d9e_html_a9e4c9b217d63aeaf19870e5f88c88d9e"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_a9e4c9b217d63aeaf19870e5f88c88d9e.html#a9e4c9b217d63aeaf19870e5f88c88d9e">fabgl::PS2Controller::keyboard</a></div><div class="ttdeci">static Keyboard * keyboard()</div><div class="ttdoc">Returns the instance of Keyboard object automatically created by PS2Controller.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8h_source.html#l00179">ps2controller.h:179</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_ab247f0736097d58dd4625fb2de3e05b6_html_ab247f0736097d58dd4625fb2de3e05b6"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_ab247f0736097d58dd4625fb2de3e05b6.html#ab247f0736097d58dd4625fb2de3e05b6">fabgl::PS2Controller::unlock</a></div><div class="ttdeci">static void unlock(int PS2Port)</div><div class="ttdoc">Releases port from exclusive access.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8cpp_source.html#l01338">ps2controller.cpp:1338</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09_html_ab8520612804a921ad834b41214a99c09"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_ab8520612804a921ad834b41214a99c09.html#ab8520612804a921ad834b41214a99c09">fabgl::PS2Controller::begin</a></div><div class="ttdeci">static void begin(gpio_num_t port0_clkGPIO, gpio_num_t port0_datGPIO, gpio_num_t port1_clkGPIO=GPIO_UNUSED, gpio_num_t port1_datGPIO=GPIO_UNUSED)</div><div class="ttdoc">Initializes PS2 device controller.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8cpp_source.html#l01115">ps2controller.cpp:1115</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_ae8b89edd051fb303d479797506958ab4_html_ae8b89edd051fb303d479797506958ab4"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_ae8b89edd051fb303d479797506958ab4.html#ae8b89edd051fb303d479797506958ab4">fabgl::PS2Controller::getData</a></div><div class="ttdeci">static int getData(int PS2Port, int timeOutMS)</div><div class="ttdoc">Gets a scancode from the queue.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8cpp_source.html#l01294">ps2controller.cpp:1294</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_af28e64e8efcf41c65043da5a1659fe79_html_af28e64e8efcf41c65043da5a1659fe79"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_af28e64e8efcf41c65043da5a1659fe79.html#af28e64e8efcf41c65043da5a1659fe79">fabgl::PS2Controller::dataAvailable</a></div><div class="ttdeci">static bool dataAvailable(int PS2Port)</div><div class="ttdoc">Determines if one byte has been received from the specified port.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8cpp_source.html#l01287">ps2controller.cpp:1287</a></div></div>
<div class="ttc" id="aclassfabgl_1_1_p_s2_controller_afbd77f408f7e0e90acad462c6b31b151_html_afbd77f408f7e0e90acad462c6b31b151"><div class="ttname"><a href="classfabgl_1_1_p_s2_controller_afbd77f408f7e0e90acad462c6b31b151.html#afbd77f408f7e0e90acad462c6b31b151">fabgl::PS2Controller::enableRX</a></div><div class="ttdeci">static void enableRX(int PS2Port)</div><div class="ttdoc">Enables inputs from PS/2 port releasing CLK line.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8cpp_source.html#l01277">ps2controller.cpp:1277</a></div></div>
<div class="ttc" id="adisplaycontroller_8h_a96db82e580e46e24e2b39dd6c5bf7c21_html_a96db82e580e46e24e2b39dd6c5bf7c21"><div class="ttname"><a href="displaycontroller_8h_a96db82e580e46e24e2b39dd6c5bf7c21.html#a96db82e580e46e24e2b39dd6c5bf7c21">data</a></div><div class="ttdeci">uint8_t const  * data</div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00004">displaycontroller.h:4</a></div></div>
<div class="ttc" id="afabutils_8h_html"><div class="ttname"><a href="fabutils_8h.html">fabutils.h</a></div><div class="ttdoc">This file contains some utility classes and functions.</div></div>
<div class="ttc" id="agroup___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff_html_ga5d7071ad7a22fa20e52ba3e855cb4cff"><div class="ttname"><a href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#ga5d7071ad7a22fa20e52ba3e855cb4cff">fabgl::KbdMode</a></div><div class="ttdeci">KbdMode</div><div class="ttdoc">This enum defines how handle keyboard virtual keys.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8h_source.html#l00065">ps2controller.h:65</a></div></div>
<div class="ttc" id="agroup___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff_html_gga5d7071ad7a22fa20e52ba3e855cb4cffa14554899c6e943f788d3652c4c0e11e4"><div class="ttname"><a href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#gga5d7071ad7a22fa20e52ba3e855cb4cffa14554899c6e943f788d3652c4c0e11e4">fabgl::KbdMode::GenerateVirtualKeys</a></div><div class="ttdeci">@ GenerateVirtualKeys</div></div>
<div class="ttc" id="agroup___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff_html_gga5d7071ad7a22fa20e52ba3e855cb4cffa382b3f9e2c83958197e451c23d848f97"><div class="ttname"><a href="group___enumerations_ga5d7071ad7a22fa20e52ba3e855cb4cff.html#gga5d7071ad7a22fa20e52ba3e855cb4cffa382b3f9e2c83958197e451c23d848f97">fabgl::KbdMode::CreateVirtualKeysQueue</a></div><div class="ttdeci">@ CreateVirtualKeysQueue</div></div>
<div class="ttc" id="agroup___enumerations_gaca5d0f920057bf01d133384645a654da_html_gaca5d0f920057bf01d133384645a654da"><div class="ttname"><a href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#gaca5d0f920057bf01d133384645a654da">fabgl::PS2Preset</a></div><div class="ttdeci">PS2Preset</div><div class="ttdoc">This enum defines what is connected to PS/2 ports.</div><div class="ttdef"><b>Definition:</b> <a href="ps2controller_8h_source.html#l00052">ps2controller.h:52</a></div></div>
<div class="ttc" id="agroup___enumerations_gaca5d0f920057bf01d133384645a654da_html_ggaca5d0f920057bf01d133384645a654daa0e528e35537f6d49cb912f4bcaaf5c12"><div class="ttname"><a href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa0e528e35537f6d49cb912f4bcaaf5c12">fabgl::PS2Preset::MousePort1</a></div><div class="ttdeci">@ MousePort1</div></div>
<div class="ttc" id="agroup___enumerations_gaca5d0f920057bf01d133384645a654da_html_ggaca5d0f920057bf01d133384645a654daa140efa5bba007b81c709c0dc5f443ef7"><div class="ttname"><a href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa140efa5bba007b81c709c0dc5f443ef7">fabgl::PS2Preset::KeyboardPort0</a></div><div class="ttdeci">@ KeyboardPort0</div></div>
<div class="ttc" id="agroup___enumerations_gaca5d0f920057bf01d133384645a654da_html_ggaca5d0f920057bf01d133384645a654daa57f4b4de9e4e8642525f0cd7c991283d"><div class="ttname"><a href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa57f4b4de9e4e8642525f0cd7c991283d">fabgl::PS2Preset::KeyboardPort1</a></div><div class="ttdeci">@ KeyboardPort1</div></div>
<div class="ttc" id="agroup___enumerations_gaca5d0f920057bf01d133384645a654da_html_ggaca5d0f920057bf01d133384645a654daa930833460d824d9daf937c25c8b7ed74"><div class="ttname"><a href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daa930833460d824d9daf937c25c8b7ed74">fabgl::PS2Preset::KeyboardPort0_MousePort1</a></div><div class="ttdeci">@ KeyboardPort0_MousePort1</div></div>
<div class="ttc" id="agroup___enumerations_gaca5d0f920057bf01d133384645a654da_html_ggaca5d0f920057bf01d133384645a654daab315933e6f8a71499678887626ae5fd4"><div class="ttname"><a href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daab315933e6f8a71499678887626ae5fd4">fabgl::PS2Preset::MousePort0</a></div><div class="ttdeci">@ MousePort0</div></div>
<div class="ttc" id="agroup___enumerations_gaca5d0f920057bf01d133384645a654da_html_ggaca5d0f920057bf01d133384645a654daab76bbc57fe0157e929fd128e8a53f907"><div class="ttname"><a href="group___enumerations_gaca5d0f920057bf01d133384645a654da.html#ggaca5d0f920057bf01d133384645a654daab76bbc57fe0157e929fd128e8a53f907">fabgl::PS2Preset::KeyboardPort1_MousePort0</a></div><div class="ttdeci">@ KeyboardPort1_MousePort0</div></div>
<div class="ttc" id="akeyboard_8h_html"><div class="ttname"><a href="keyboard_8h.html">keyboard.h</a></div><div class="ttdoc">This file contains fabgl::Keyboard definition.</div></div>
<div class="ttc" id="amouse_8h_html"><div class="ttname"><a href="mouse_8h.html">mouse.h</a></div><div class="ttdoc">This file contains fabgl::Mouse definition.</div></div>
<div class="ttc" id="aps2controller_8h_html"><div class="ttname"><a href="ps2controller_8h.html">ps2controller.h</a></div><div class="ttdoc">This file contains fabgl::PS2Controller definition.</div></div>
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